五年级上册口算（一） 分数
0.8×0.2= 5.6×3= 0.25×4= 3.1×0.2= 0.45×6=
0.4×0.25= 3.6×0.8= 2.9×1= 9.6×3= 0.05×0.4= 120×0.5=
7.3×4= 0.75×2= 4.3×0.2= 12.5×8= 66×0.4=
6.01×0.3= 0×34.5= 45.2×2= 1.3×3= 4.25×4=
0. 07×0.5= 33×0.04= 6.5×4= 2.3×0.06= 15×0.08=
0.09×0.9= 4.7×0.1= 54×0.8= 1.6×0.03= 0.8×0.9=
0.6×100= 17.5×0.01= 3.2×0.5= 25×0.4= 12.5×0.8=
6×6.5= 3.6×0.7= 6.5×0.4= 8.5×0.2= 0.66×0.3=
2.5×0.4= 7.7×0.8= 0.012×20= 4.6×0.4= 3×0.09=
2.2×0.05= 4.1×0.6= 0.75×0.4= 23×0.4= 0.32×100=
五年级上册口算 （二） 分数
5.5×2= 4.73×10= 0×23.5= 0.25×4= 7.2×0.5=
3.3×0.5= 60×0.8= 3.4×0.6= 0.125×8= 4-1.4=
82-7.2= 19+9.1= 4.1-0.89= 5.68+0.42= 6.1-5.1=
0.72- 0.24= 0.8+0.18= 0.89-0.25= 1-0.98= 0.048+0.52=
5×400= 19.9+11.1= 187÷1000= 1+3.89= 0.081×10=
75÷10= 0.96÷8= 0.8×7= 1.5×7= 1.32×8=
0.7×8= 10.3×2= 5×0.6= 0.9×0.3= 3.5×0.2=
2.01×0= 10×0.05= 0.13×7= 0.21×100= 0.7×4=
0.05×4= 4×0.3= 430-250= 0.17+0.06= 1.02-0.09=
7200÷800= 0.17+0.6= 0.83-0.6= 17×300= 0.98-0.09=
五年级上册口算（三） 分数
0.2+0.78= 600×0.7= 10.2+0.02= 0.15+0.7= 670+250=
10.2+0.2= 9.2-6= 8500÷500= 3.2-3.2= 3.7+2.3=
25×100= 3.2-0.32= 2+2.8= 380-290= 0.35+0.5=
0.35+0.63= 3500÷70= 3.1+3= 3.8+0.38= 7500÷250=
3.8+1= 0.95-0.05= 450+780= 3.1+0.3= 3+0.3=
630÷9= 4.5-0.4= 9.5-5= 330×9= 9.53-1.53=
9.5-0.5= 3.5+2.4= 1-0.95= 0.3+0.27= 0.47+0.13=
4.5+4= 4-0.6= 0.95+0.05= 2.5+3.2= 0.74+0.16=
23×100= 9.8-4.8= 480÷40= 0.53÷100= 5.1+2.3=
125×80= 0.078÷10= 0.52+0.4= 70×12= 0.25×100=
五年级上册口算（四） 分数
3.4-2.8= 0.6-0.37= 0.052×10= 10+0.08= 1-0.75=
0.5×1000= 0.82+0.3= 13.5+6.5= 3.05×100= 1.2-0.8=
21.6-12.6= 63÷100= 0.83-0.5= 0.76+0.14= 80÷1000=
2.7+0.4= 0.72-0.43= 30×100= 0.92-0.2= 3.5+4.8=
3.5+2.4= 5+0.07= 1-0.61= 0.47+0.23= 0.25+0.75=
3.7+0.33= 0.51+0.33= 1-0.6= 8-4.6= 5.8-3.6=
0.52+0.4= 6.45+5.5= 4.5-1.3= 3.4-2.8= 9.53-1.53=
8.8-6.7= 10+0.08= 9.5-7.3= 7.2+0.8= 7.82+0.3=
8.8-6.7= 9.5-7.3= 1-0.95= 3.4-2.8= 0.96-0.35=
9.53-1.53= 0.25+0.75= 1.2-0.8= 0.83-0.5= 2.7+0=
五年级上册口算（五） 分数
12.5×8= 2.3×4= 3.25×0= 0.4×50= 30×0.1=
2.6×3= 4.1×2= 0.35×0.2= 7.5×0.1= 2.5×2=
0.5×10= 0.6×8= 2.8×10= 0.7×0.8= 5.6+0.4=
4.7+2.3= 4.5×2= 7.2×0.8= 6×3.4= 0.62-0.32=
0.75×100= 0.02×0.5= 3.6×0.3= 5.6×100= 0.75÷0.25=
0.125×8= 0.86÷2= 0.56÷28= 0.36÷0.4= 0.7×9=
3.6÷24= 0.8×1.1= 46.7-3.8= 12.8÷4= 5.2÷13=
1.64+4.1= 10÷20= 24÷15= 0.35×0.6= 4.7+2.3=
4.5×2= 6.9－2.5= 7.2×0.8= 6×3.4= 0.62－0.32=
1.4×0.5= 0.75×100= 0.02×0.5= 3.6÷0.3= 6.3÷7=
五年级上册口算（六） 分数
5.6÷100= 0.75÷0.25= 0.125×8= 4.8÷0.3= 0.96÷2=
0.56÷28= 0.36÷0.4= 0.64÷0.8= 0.72÷3.6= 3.6÷12=
0.8×1.1= 7.2+12.8= 46.7－3.8= 12.8÷4= 5.2÷13=
12.5÷5= 1.64÷41= 10÷20= 24÷15= 8.65×10=
0.35×0.6= 3.08×0.01= 4.95×1000= 6.9×0.1= 0.4×0.5=
2.4÷0.8= 10.8÷9= 9.6÷0.8= 0.108÷2= 4.95÷0.9=
9.65÷0.1= 0.325×100= 2.5×8= 0. 56÷0.7= 0.125×4=
3.28×0.1= 3.9÷0.13= 7.2×0.1= 0.01×0.1= 1÷2.5=
1.25×0.8= 3.2÷0.04= 0÷1.7= 1.4÷0.5= 1.55÷0.5=
3.15÷0.7= 1.86÷0.2= 1.04÷0.8= 0.38÷0.1= 1.36÷0.2=
五年级上册口算（七） 分数
1.16÷0.4= 0.12÷0.6= 0.27÷0.9= 0.48÷0.2= 8.73÷0.9=
0.72÷0.3= 0.46÷0.1= 0.22÷0.2= 3.45÷0.5= 4.62÷0.6=
1.92÷0.4= 0.9÷0.3= 5.11÷0.7= 0.35÷0.1= 3.92÷0.8=
4.32÷0.9= 0.24÷0.8= 3.15÷0.7= 0.98÷0.7= 1.8÷0.6=
1.76÷0.4= 2.64÷0.4= 7.56÷0.9= 1.19÷0.7= 1.53÷0.9=
1.33÷0.7= 1.18÷0.2= 0.09÷0.1= 0.21÷0.1= 1.54÷0.2=
8.28÷0.9= 3÷0.5= 1.71÷0.3= 7.44÷0.8= 2.48÷0.8=
0.75÷0.5= 1.92÷0.8= 1.2÷0.8= 0.07÷0.7= 3.69÷0.9=
2.28÷0.3= 0.25×0.4= 1.6÷0.8= 0.8×7＝ 1.32×8＝
1.5×7＝ 0.7×8＝ 10.3×2＝ 3.5×0.2＝ 0.9×0.3＝
五年级上册口算（八） 分数
5×0.6＝ 10×0.05＝ 0.13×7＝ 0.7×4＝ 0.05×4＝
12.5×8＝ 0.4×50＝ 3.25×0＝ 2.3×4＝ 2.6×3＝
7.5×0.1＝ 0.45×0.2＝ 4.1×2＝ 3.5×0.01＝ 9×0.5＝
0×9.8＝ 3.9＋0.39＝ 4.1×2＝ 2.6×3＝ 1.25×8＝
7.5×0.1＝ 1×0.06＝ 0.9×0.3＝ 9×0.5= 2.5×0.4=
10－3.52= 8.2＋1.8= 0.2×0.4= 0.22×4= 0.9－0.52=
3.99×1= 4×0.3= 30×0.1= 0.35×0.2= 1－0.08=
4.8＋5.2= 2.01×0= 2.4×5= 1.25×8= 7.82－7.2=
2.19＋9.1= 10.1－0.89= 6.8＋0.42= 0.8＋0.18= 0.72－0.24=
8.1－5.1= 0.89－0.25= 1－0.98= 0.48＋0.52= 0.5×40=
五年级上册口算（九） 分数
0.125×8= 5.6÷1.4＝ 0.28÷1.4＝ 0.1÷0.5= 3.88÷0.4=
0.21×100= 3.4－1.4= 0.45×2.5＝ 0.8×1.25＝ 0.3×3.6＝
0.3×0.3＝ 10×0.07＝ 0.3×1.4＝ 0.05×7＝ 0.92×0.4＝
0.2×0.26＝ 0.14×4＝ 0.02×0.1＝ 1.2×0.3＝ 0.2×0.4＝
8.2＋1.8＝ 100-35.22＝ 2.3×4＝ 2.5×0.4＝ 2.4×5＝
0.22×4＝ 3.25×0＝ 0.9－0.52＝ 3.99×1＝ 0×3.52＝
12.5×8＝ 8÷10 = 1.47÷0.7= 0.43+3.57= 0.9×0.8=
1÷0.5= 0.96÷3= 2.5×4×12= 10-1.8-7.2= 16.5×10=
0.56×100= 3.78×100= 4÷0.8 = 3.215×100= 0.8×10=
4.08×100= 1.1×0.2 = 0.6×0.8 = 3×0.9= 2.5×0.4=
五年级上册口算（十） 分数
3.6×0.4= 12.5×8= 50×0.04= 80×0.3 = 1.1×9=
0.16×5 ﹦ 1.78＋2.2 = 9.6÷0.6 = 1.2×0.5-0.4 = 0.7÷0.01 =
2.5×0.4 = 12－3.9= 1.25×8÷1.25 = 6.6÷0.66 = 5.37×0+4.63 =
3.9＋2.03＝ 4.2÷3.5＝ 1.6+2.4×0.3 = 2.14－0.9＝ 2.7＋7.3=
0.3×0.3= 7.2＋2.8＝ 0.9÷0.01＝ 12÷0.3= 2.87÷0.7＝
13÷4＝ 0.96÷0.3＝ 1.5×0.4＝ 7÷0.25＝ 2.5×0.7×0.8=
8－2.5＝ 16÷1.6＝ 5.6×1.01= 8×0.25＝ 0.36＋0.64＝
64.32÷16＝ 4.2÷0.1＝ 72.8÷0.8＝ 8.4÷4.2＝ 13.8＋9.9＝
2.4×2.5＝ 0.05×0.8＝ 2.56－0.37＝ 1.25×0.8×0.5＝ 12×2.5＝
1.23×3＝ 3.2÷1.6= 3.5＋3.5×3＝ 19.6÷2＝ 8.8÷2.2=
五年级上册口算（十一） 分数
0.75×4＝ 0.5×0.8= 8.4×0.2= 1.6×0.2＝ 7.2×0.3=
2.8×0.3= 0.9÷0.15= 1.8×0.4= 5.5÷0.55= 0.08×100=
2.2÷0.11= 5.46＋4.54= 12.5×0.8= 0.35×0.3= 1.4×5=
2.8×4= 19.6÷4= 4÷0.5= 7.5÷1.5= 10÷2.5=
3.52÷1= 1.5÷3= 2.2×6= 0.42÷7= 0.42÷0.6=
0.48÷0.8= 0.9÷0.45= 5.1÷0.17= 0.81÷9= 4.8÷0.16=
8.4÷0.4= 1.8×5= 4.5÷0.9= 2.9÷100= 1.5÷0.03=
4.4÷0.11= 9.6÷16= （1.5＋0.25）×4＝ 22.5×4= 1÷0.01=
4.2×5= 3÷0.5= 6.1-0.5= 0.38+4.2= 0÷3.89=
0.6×0.2= 6.4÷4= 7.2÷0.9= 4-0.18= 0.3÷0.1=
五年级上册口算（十二） 分数
0.125×80= 4×2.5= 1.2÷0.04= 0.7+6.53= 3.6÷0.06=
1.25÷0.25= 1-0.75= 2.6÷1.3= 4.4+6.6= 7.4-0.54=
7.82÷0.1= 0.5×1.6= 8.4÷7= 1÷5= 0.4+0.26=
2.5×6= 5.4×6= 0.07×20= 0.45÷5= 3.5-2.9=
0.48÷0.24= 1.5÷0.03= 5.65+0.35= 3÷4= 0.3×2.9=
17.3-0.8= 2.5÷0.5= 2.16-1.6= 30.4÷4= 2.5÷5=
60×3.2= 8.4÷0.5= 87-8.7= 1.8×0.5= 4.5÷0.15=
2.4×5= 3.6÷0.02= 0.29÷0.01= 1.5+0.9= 15÷0.3=
0.06×0.9= 0.96÷0.8= 2.4×11= 8.1÷9= 60.3+0.67=
2.8×5= 0.72÷0.6= 0.5×6= 0.001÷0.1= 187÷100=
五年级上册口算（十三） 分数
0.9+0.28= 1÷4= 4.03×0.5= 1.2+0.08= 7.2÷0.09=
0.13×4= 0.3÷0.2= 1.2÷0.4= 0.6×11= 0.45÷0.15=
0.25+0.5= 15×0.3= 10÷2.5= 5.8-0.9= 3.4÷2=
0.48÷1.2= 4.3+6.9= 1.65÷0.3= 12-1.1= 1.4+2.6=
12.4÷4= 12.5×4= 9.5÷0.5= 5÷2= 9.1-1.9=
0.36÷0.9= 0×5.4= 2.5×4.4= 3.06÷3= 6.6-6=
7.6÷4= 32÷0.5= 0.25-0.19= 0.4÷0.01= 2×0.32=
12.5×0.8= 64÷0.8= 3.2-2.3= 60÷0.2= 4.16÷0.8=
5.4+6= 0.6÷5= 3.3×8= 0.5×6= 0.001÷0.1=
0.6×0.2= 6.4÷4= 7.2÷0.9= 4-0.18= 0.3÷0.1=
五年级上册口算（十四） 分数
0.8×0.2= 5.6×3= 0.25×4= 3.1×0.2= 0.45×6=
0.4×0.25= 3.6×0.8= 2.9×1= 9.6×3= 0.05×0.4= 120×0.5=
7.3×4= 0.75×2= 4.3×0.2= 12.5×8= 66×0.4=
6.01×0.3= 0×34.5= 45.2×2= 1.3×3= 4.25×4=
0. 07×0.5= 33×0.04= 6.5×4= 2.3×0.06= 15×0.08=
0.09×0.9= 4.7×0.1= 54×0.8= 1.6×0.03= 0.8×0.9=
0.6×100= 17.5×0.01= 3.2×0.5= 25×0.4= 12.5×0.8=
6×6.5= 3.6×0.7= 6.5×0.4= 8.5×0.2= 0.66×0.3=
2.5×0.4= 7.7×0.8= 0.012×20= 4.6×0.4= 3×0.09=
2.2×0.05= 4.1×0.6= 0.75×0.4= 23×0.4= 0.32×100=
五年级上册口算 （十五） 分数
5.5×2= 4.73×10= 0×23.5= 0.25×4= 7.2×0.5=
3.3×0.5= 60×0.8= 3.4×0.6= 0.125×8= 4-1.4=
82-7.2= 19+9.1= 4.1-0.89= 5.68+0.42= 6.1-5.1=
0.72- 0.24= 0.8+0.18= 0.89-0.25= 1-0.98= 0.048+0.52=
5×400= 19.9+11.1= 187÷1000= 1+3.89= 0.081×10=
75÷10= 0.96÷8= 0.8×7= 1.5×7= 1.32×8=
0.7×8= 10.3×2= 5×0.6= 0.9×0.3= 3.5×0.2=
2.01×0= 10×0.05= 0.13×7= 0.21×100= 0.7×4=
0.05×4= 4×0.3= 430-250= 0.17+0.06= 1.02-0.09=
7200÷800= 0.17+0.6= 0.83-0.6= 17×300= 0.98-0.09=
五年级上册口算（十六） 分数
0.2+0.78= 600×0.7= 10.2+0.02= 0.15+0.7= 670+250=
10.2+0.2= 9.2-6= 8500÷500= 3.2-3.2= 3.7+2.3=
25×100= 3.2-0.32= 2+2.8= 380-290= 0.35+0.5=
0.35+0.63= 3500÷70= 3.1+3= 3.8+0.38= 7500÷250=
3.8+1= 0.95-0.05= 450+780= 3.1+0.3= 3+0.3=
630÷9= 4.5-0.4= 9.5-5= 330×9= 9.53-1.53=
9.5-0.5= 3.5+2.4= 1-0.95= 0.3+0.27= 0.47+0.13=
4.5+4= 4-0.6= 0.95+0.05= 2.5+3.2= 0.74+0.16=
23×100= 9.8-4.8= 480÷40= 0.53÷100= 5.1+2.3=
125×80= 0.078÷10= 0.52+0.4= 70×12= 0.25×100=
五年级上册口算（十七） 分数
3.4-2.8= 0.6-0.37= 0.052×10= 10+0.08= 1-0.75=
0.5×1000= 0.82+0.3= 13.5+6.5= 3.05×100= 1.2-0.8=
21.6-12.6= 63÷100= 0.83-0.5= 0.76+0.14= 80÷1000=
2.7+0.4= 0.72-0.43= 30×100= 0.92-0.2= 3.5+4.8=
3.5+2.4= 5+0.07= 1-0.61= 0.47+0.23= 0.25+0.75=
3.7+0.33= 0.51+0.33= 1-0.6= 8-4.6= 5.8-3.6=
0.52+0.4= 6.45+5.5= 4.5-1.3= 3.4-2.8= 9.53-1.53=
8.8-6.7= 10+0.08= 9.5-7.3= 7.2+0.8= 7.82+0.3=
8.8-6.7= 9.5-7.3= 1-0.95= 3.4-2.8= 0.96-0.35=
9.53-1.53= 0.25+0.75= 1.2-0.8= 0.83-0.5= 2.7+0=
五年级上册口算（十八） 分数
12.5×8= 2.3×4= 3.25×0= 0.4×50= 30×0.1=
2.6×3= 4.1×2= 0.35×0.2= 7.5×0.1= 2.5×2=
0.5×10= 0.6×8= 2.8×10= 0.7×0.8= 5.6+0.4=
4.7+2.3= 4.5×2= 7.2×0.8= 6×3.4= 0.62-0.32=
0.75×100= 0.02×0.5= 3.6×0.3= 5.6×100= 0.75÷0.25=
0.125×8= 0.86÷2= 0.56÷28= 0.36÷0.4= 0.7×9=
3.6÷24= 0.8×1.1= 46.7-3.8= 12.8÷4= 5.2÷13=
1.64+4.1= 10÷20= 24÷15= 0.35×0.6= 4.7+2.3=
4.5×2= 6.9－2.5= 7.2×0.8= 6×3.4= 0.62－0.32=
1.4×0.5= 0.75×100= 0.02×0.5= 3.6÷0.3= 6.3÷7=
五年级上册口算（十九） 分数
5.6÷100= 0.75÷0.25= 0.125×8= 4.8÷0.3= 0.96÷2=
0.56÷28= 0.36÷0.4= 0.64÷0.8= 0.72÷3.6= 3.6÷12=
0.8×1.1= 7.2+12.8= 46.7－3.8= 12.8÷4= 5.2÷13=
12.5÷5= 1.64÷41= 10÷20= 24÷15= 8.65×10=
0.35×0.6= 3.08×0.01= 4.95×1000= 6.9×0.1= 0.4×0.5=
2.4÷0.8= 10.8÷9= 9.6÷0.8= 0.108÷2= 4.95÷0.9=
9.65÷0.1= 0.325×100= 2.5×8= 0. 56÷0.7= 0.125×4=
3.28×0.1= 3.9÷0.13= 7.2×0.1= 0.01×0.1= 1÷2.5=
1.25×0.8= 3.2÷0.04= 0÷1.7= 1.4÷0.5= 1.55÷0.5=
3.15÷0.7= 1.86÷0.2= 1.04÷0.8= 0.38÷0.1= 1.36÷0.2=
五年级上册口算（二十） 分数
1.16÷0.4= 0.12÷0.6= 0.27÷0.9= 0.48÷0.2= 8.73÷0.9=
0.72÷0.3= 0.46÷0.1= 0.22÷0.2= 3.45÷0.5= 4.62÷0.6=
1.92÷0.4= 0.9÷0.3= 5.11÷0.7= 0.35÷0.1= 3.92÷0.8=
4.32÷0.9= 0.24÷0.8= 3.15÷0.7= 0.98÷0.7= 1.8÷0.6=
1.76÷0.4= 2.64÷0.4= 7.56÷0.9= 1.19÷0.7= 1.53÷0.9=
1.33÷0.7= 1.18÷0.2= 0.09÷0.1= 0.21÷0.1= 1.54÷0.2=
8.28÷0.9= 3÷0.5= 1.71÷0.3= 7.44÷0.8= 2.48÷0.8=
0.75÷0.5= 1.92÷0.8= 1.2÷0.8= 0.07÷0.7= 3.69÷0.9=
2.28÷0.3= 0.25×0.4= 1.6÷0.8= 0.8×7＝ 1.32×8＝
1.5×7＝ 0.7×8＝ 10.3×2＝ 3.5×0.2＝ 0.9×0.3＝
五年级上册口算（二十一） 分数
5×0.6＝ 10×0.05＝ 0.13×7＝ 0.7×4＝ 0.05×4＝
12.5×8＝ 0.4×50＝ 3.25×0＝ 2.3×4＝ 2.6×3＝
7.5×0.1＝ 0.45×0.2＝ 4.1×2＝ 3.5×0.01＝ 9×0.5＝
0×9.8＝ 3.9＋0.39＝ 4.1×2＝ 2.6×3＝ 1.25×8＝
7.5×0.1＝ 1×0.06＝ 0.9×0.3＝ 9×0.5= 2.5×0.4=
10－3.52= 8.2＋1.8= 0.2×0.4= 0.22×4= 0.9－0.52=
3.99×1= 4×0.3= 30×0.1= 0.35×0.2= 1－0.08=
4.8＋5.2= 2.01×0= 2.4×5= 1.25×8= 7.82－7.2=
2.19＋9.1= 10.1－0.89= 6.8＋0.42= 0.8＋0.18= 0.72－0.24=
8.1－5.1= 0.89－0.25= 1－0.98= 0.48＋0.52= 0.5×40=
五年级上册口算（二十二） 分数
0.125×8= 5.6÷1.4＝ 0.28÷1.4＝ 0.1÷0.5= 3.88÷0.4=
0.21×100= 3.4－1.4= 0.45×2.5＝ 0.8×1.25＝ 0.3×3.6＝
0.3×0.3＝ 10×0.07＝ 0.3×1.4＝ 0.05×7＝ 0.92×0.4＝
0.2×0.26＝ 0.14×4＝ 0.02×0.1＝ 1.2×0.3＝ 0.2×0.4＝
8.2＋1.8＝ 100-35.22＝ 2.3×4＝ 2.5×0.4＝ 2.4×5＝
0.22×4＝ 3.25×0＝ 0.9－0.52＝ 3.99×1＝ 0×3.52＝
12.5×8＝ 8÷10 = 1.47÷0.7= 0.43+3.57= 0.9×0.8=
1÷0.5= 0.96÷3= 2.5×4×12= 10-1.8-7.2= 16.5×10=
0.56×100= 3.78×100= 4÷0.8 = 3.215×100= 0.8×10=
4.08×100= 1.1×0.2 = 0.6×0.8 = 3×0.9= 2.5×0.4=
五年级上册口算（二十三） 分数
3.6×0.4= 12.5×8= 50×0.04= 80×0.3 = 1.1×9=
0.16×5 ﹦ 1.78＋2.2 = 9.6÷0.6 = 1.2×0.5-0.4 = 0.7÷0.01 =
2.5×0.4 = 12－3.9= 1.25×8÷1.25 = 6.6÷0.66 = 5.37×0+4.63 =
3.9＋2.03＝ 4.2÷3.5＝ 1.6+2.4×0.3 = 2.14－0.9＝ 2.7＋7.3=
0.3×0.3= 7.2＋2.8＝ 0.9÷0.01＝ 12÷0.3= 2.87÷0.7＝
13÷4＝ 0.96÷0.3＝ 1.5×0.4＝ 7÷0.25＝ 2.5×0.7×0.8=
8－2.5＝ 16÷1.6＝ 5.6×1.01= 8×0.25＝ 0.36＋0.64＝
64.32÷16＝ 4.2÷0.1＝ 72.8÷0.8＝ 8.4÷4.2＝ 13.8＋9.9＝
2.4×2.5＝ 0.05×0.8＝ 2.56－0.37＝ 1.25×0.8×0.5＝ 12×2.5＝
1.23×3＝ 3.2÷1.6= 3.5＋3.5×3＝ 19.6÷2＝ 8.8÷2.2=
五年级上册口算（二十四） 分数
0.75×4＝ 0.5×0.8= 8.4×0.2= 1.6×0.2＝ 7.2×0.3=
2.8×0.3= 0.9÷0.15= 1.8×0.4= 5.5÷0.55= 0.08×100=
2.2÷0.11= 5.46＋4.54= 12.5×0.8= 0.35×0.3= 1.4×5=
2.8×4= 19.6÷4= 4÷0.5= 7.5÷1.5= 10÷2.5=
3.52÷1= 1.5÷3= 2.2×6= 0.42÷7= 0.42÷0.6=
0.48÷0.8= 0.9÷0.45= 5.1÷0.17= 0.81÷9= 4.8÷0.16=
8.4÷0.4= 1.8×5= 4.5÷0.9= 2.9÷100= 1.5÷0.03=
4.4÷0.11= 9.6÷16= （1.5＋0.25）×4＝ 22.5×4= 1÷0.01=
4.2×5= 3÷0.5= 6.1-0.5= 0.38+4.2= 0÷3.89=
0.6×0.2= 6.4÷4= 7.2÷0.9= 4-0.18= 0.3÷0.1=
五年级上册口算（二十五） 分数
0.125×80= 4×2.5= 1.2÷0.04= 0.7+6.53= 3.6÷0.06=
1.25÷0.25= 1-0.75= 2.6÷1.3= 4.4+6.6= 7.4-0.54=
7.82÷0.1= 0.5×1.6= 8.4÷7= 1÷5= 0.4+0.26=
2.5×6= 5.4×6= 0.07×20= 0.45÷5= 3.5-2.9=
0.48÷0.24= 1.5÷0.03= 5.65+0.35= 3÷4= 0.3×2.9=
17.3-0.8= 2.5÷0.5= 2.16-1.6= 30.4÷4= 2.5÷5=
60×3.2= 8.4÷0.5= 87-8.7= 1.8×0.5= 4.5÷0.15=
2.4×5= 3.6÷0.02= 0.29÷0.01= 1.5+0.9= 15÷0.3=
0.06×0.9= 0.96÷0.8= 2.4×11= 8.1÷9= 60.3+0.67=
2.8×5= 0.72÷0.6= 0.5×6= 0.001÷0.1= 187÷100=
五年级上册口算（二十六） 分数
0.9+0.28= 1÷4= 4.03×0.5= 1.2+0.08= 7.2÷0.09=
0.13×4= 0.3÷0.2= 1.2÷0.4= 0.6×11= 0.45÷0.15=
0.25+0.5= 15×0.3= 10÷2.5= 5.8-0.9= 3.4÷2=
0.48÷1.2= 4.3+6.9= 1.65÷0.3= 12-1.1= 1.4+2.6=
12.4÷4= 12.5×4= 9.5÷0.5= 5÷2= 9.1-1.9=
0.36÷0.9= 0×5.4= 2.5×4.4= 3.06÷3= 6.6-6=
7.6÷4= 32÷0.5= 0.25-0.19= 0.4÷0.01= 2×0.32=
12.5×0.8= 64÷0.8= 3.2-2.3= 60÷0.2= 4.16÷0.8=
5.4+6= 0.6÷5= 3.3×8= 0.5×6= 0.001÷0.1=
0.6×0.2= 6.4÷4= 7.2÷0.9= 4-0.18= 0.3÷0.1=
五年级上册口算（二十七） 分数
0.8×0.2= 5.6×3= 0.25×4= 3.1×0.2= 0.45×6=
0.4×0.25= 3.6×0.8= 2.9×1= 9.6×3= 0.05×0.4= 120×0.5=
7.3×4= 0.75×2= 4.3×0.2= 12.5×8= 66×0.4=
6.01×0.3= 0×34.5= 45.2×2= 1.3×3= 4.25×4=
0. 07×0.5= 33×0.04= 6.5×4= 2.3×0.06= 15×0.08=
0.09×0.9= 4.7×0.1= 54×0.8= 1.6×0.03= 0.8×0.9=
0.6×100= 17.5×0.01= 3.2×0.5= 25×0.4= 12.5×0.8=
6×6.5= 3.6×0.7= 6.5×0.4= 8.5×0.2= 0.66×0.3=
2.5×0.4= 7.7×0.8= 0.012×20= 4.6×0.4= 3×0.09=
2.2×0.05= 4.1×0.6= 0.75×0.4= 23×0.4= 0.32×100=
五年级上册口算 （二十八） 分数
5.5×2= 4.73×10= 0×23.5= 0.25×4= 7.2×0.5=
3.3×0.5= 60×0.8= 3.4×0.6= 0.125×8= 4-1.4=
82-7.2= 19+9.1= 4.1-0.89= 5.68+0.42= 6.1-5.1=
0.72- 0.24= 0.8+0.18= 0.89-0.25= 1-0.98= 0.048+0.52=
5×400= 19.9+11.1= 187÷1000= 1+3.89= 0.081×10=
75÷10= 0.96÷8= 0.8×7= 1.5×7= 1.32×8=
0.7×8= 10.3×2= 5×0.6= 0.9×0.3= 3.5×0.2=
2.01×0= 10×0.05= 0.13×7= 0.21×100= 0.7×4=
0.05×4= 4×0.3= 430-250= 0.17+0.06= 1.02-0.09=
7200÷800= 0.17+0.6= 0.83-0.6= 17×300= 0.98-0.09=
五年级上册口算（二十九） 分数
0.2+0.78= 600×0.7= 10.2+0.02= 0.15+0.7= 670+250=
10.2+0.2= 9.2-6= 8500÷500= 3.2-3.2= 3.7+2.3=
25×100= 3.2-0.32= 2+2.8= 380-290= 0.35+0.5=
0.35+0.63= 3500÷70= 3.1+3= 3.8+0.38= 7500÷250=
3.8+1= 0.95-0.05= 450+780= 3.1+0.3= 3+0.3=
630÷9= 4.5-0.4= 9.5-5= 330×9= 9.53-1.53=
9.5-0.5= 3.5+2.4= 1-0.95= 0.3+0.27= 0.47+0.13=
4.5+4= 4-0.6= 0.95+0.05= 2.5+3.2= 0.74+0.16=
23×100= 9.8-4.8= 480÷40= 0.53÷100= 5.1+2.3=
125×80= 0.078÷10= 0.52+0.4= 70×12= 0.25×100=
五年级上册口算（三十） 分数
3.4-2.8= 0.6-0.37= 0.052×10= 10+0.08= 1-0.75=
0.5×1000= 0.82+0.3= 13.5+6.5= 3.05×100= 1.2-0.8=
21.6-12.6= 63÷100= 0.83-0.5= 0.76+0.14= 80÷1000=
2.7+0.4= 0.72-0.43= 30×100= 0.92-0.2= 3.5+4.8=
3.5+2.4= 5+0.07= 1-0.61= 0.47+0.23= 0.25+0.75=
3.7+0.33= 0.51+0.33= 1-0.6= 8-4.6= 5.8-3.6=
0.52+0.4= 6.45+5.5= 4.5-1.3= 3.4-2.8= 9.53-1.53=
8.8-6.7= 10+0.08= 9.5-7.3= 7.2+0.8= 7.82+0.3=
8.8-6.7= 9.5-7.3= 1-0.95= 3.4-2.8= 0.96-0.35=
9.53-1.53= 0.25+0.75= 1.2-0.8= 0.83-0.5= 2.7+0=
五年级上册口算（三十一） 分数
12.5×8= 2.3×4= 3.25×0= 0.4×50= 30×0.1=
2.6×3= 4.1×2= 0.35×0.2= 7.5×0.1= 2.5×2=
0.5×10= 0.6×8= 2.8×10= 0.7×0.8= 5.6+0.4=
4.7+2.3= 4.5×2= 7.2×0.8= 6×3.4= 0.62-0.32=
0.75×100= 0.02×0.5= 3.6×0.3= 5.6×100= 0.75÷0.25=
0.125×8= 0.86÷2= 0.56÷28= 0.36÷0.4= 0.7×9=
3.6÷24= 0.8×1.1= 46.7-3.8= 12.8÷4= 5.2÷13=
1.64+4.1= 10÷20= 24÷15= 0.35×0.6= 4.7+2.3=
4.5×2= 6.9－2.5= 7.2×0.8= 6×3.4= 0.62－0.32=
1.4×0.5= 0.75×100= 0.02×0.5= 3.6÷0.3= 6.3÷7=
五年级上册口算（三十二） 分数
5.6÷100= 0.75÷0.25= 0.125×8= 4.8÷0.3= 0.96÷2=
0.56÷28= 0.36÷0.4= 0.64÷0.8= 0.72÷3.6= 3.6÷12=
0.8×1.1= 7.2+12.8= 46.7－3.8= 12.8÷4= 5.2÷13=
12.5÷5= 1.64÷41= 10÷20= 24÷15= 8.65×10=
0.35×0.6= 3.08×0.01= 4.95×1000= 6.9×0.1= 0.4×0.5=
2.4÷0.8= 10.8÷9= 9.6÷0.8= 0.108÷2= 4.95÷0.9=
9.65÷0.1= 0.325×100= 2.5×8= 0. 56÷0.7= 0.125×4=
3.28×0.1= 3.9÷0.13= 7.2×0.1= 0.01×0.1= 1÷2.5=
1.25×0.8= 3.2÷0.04= 0÷1.7= 1.4÷0.5= 1.55÷0.5=
3.15÷0.7= 1.86÷0.2= 1.04÷0.8= 0.38÷0.1= 1.36÷0.2=
五年级上册口算（三十三） 分数
1.16÷0.4= 0.12÷0.6= 0.27÷0.9= 0.48÷0.2= 8.73÷0.9=
0.72÷0.3= 0.46÷0.1= 0.22÷0.2= 3.45÷0.5= 4.62÷0.6=
1.92÷0.4= 0.9÷0.3= 5.11÷0.7= 0.35÷0.1= 3.92÷0.8=
4.32÷0.9= 0.24÷0.8= 3.15÷0.7= 0.98÷0.7= 1.8÷0.6=
1.76÷0.4= 2.64÷0.4= 7.56÷0.9= 1.19÷0.7= 1.53÷0.9=
1.33÷0.7= 1.18÷0.2= 0.09÷0.1= 0.21÷0.1= 1.54÷0.2=
8.28÷0.9= 3÷0.5= 1.71÷0.3= 7.44÷0.8= 2.48÷0.8=
0.75÷0.5= 1.92÷0.8= 1.2÷0.8= 0.07÷0.7= 3.69÷0.9=
2.28÷0.3= 0.25×0.4= 1.6÷0.8= 0.8×7＝ 1.32×8＝
1.5×7＝ 0.7×8＝ 10.3×2＝ 3.5×0.2＝ 0.9×0.3＝
五年级上册口算（三十四） 分数
5×0.6＝ 10×0.05＝ 0.13×7＝ 0.7×4＝ 0.05×4＝
12.5×8＝ 0.4×50＝ 3.25×0＝ 2.3×4＝ 2.6×3＝
7.5×0.1＝ 0.45×0.2＝ 4.1×2＝ 3.5×0.01＝ 9×0.5＝
0×9.8＝ 3.9＋0.39＝ 4.1×2＝ 2.6×3＝ 1.25×8＝
7.5×0.1＝ 1×0.06＝ 0.9×0.3＝ 9×0.5= 2.5×0.4=
10－3.52= 8.2＋1.8= 0.2×0.4= 0.22×4= 0.9－0.52=
3.99×1= 4×0.3= 30×0.1= 0.35×0.2= 1－0.08=
4.8＋5.2= 2.01×0= 2.4×5= 1.25×8= 7.82－7.2=
2.19＋9.1= 10.1－0.89= 6.8＋0.42= 0.8＋0.18= 0.72－0.24=
8.1－5.1= 0.89－0.25= 1－0.98= 0.48＋0.52= 0.5×40=
五年级上册口算（三十五） 分数
0.125×8= 5.6÷1.4＝ 0.28÷1.4＝ 0.1÷0.5= 3.88÷0.4=
0.21×100= 3.4－1.4= 0.45×2.5＝ 0.8×1.25＝ 0.3×3.6＝
0.3×0.3＝ 10×0.07＝ 0.3×1.4＝ 0.05×7＝ 0.92×0.4＝
0.2×0.26＝ 0.14×4＝ 0.02×0.1＝ 1.2×0.3＝ 0.2×0.4＝
8.2＋1.8＝ 100-35.22＝ 2.3×4＝ 2.5×0.4＝ 2.4×5＝
0.22×4＝ 3.25×0＝ 0.9－0.52＝ 3.99×1＝ 0×3.52＝
12.5×8＝ 8÷10 = 1.47÷0.7= 0.43+3.57= 0.9×0.8=
1÷0.5= 0.96÷3= 2.5×4×12= 10-1.8-7.2= 16.5×10=
0.56×100= 3.78×100= 4÷0.8 = 3.215×100= 0.8×10=
4.08×100= 1.1×0.2 = 0.6×0.8 = 3×0.9= 2.5×0.4=
五年级上册口算（三十六） 分数
3.6×0.4= 12.5×8= 50×0.04= 80×0.3 = 1.1×9=
0.16×5 ﹦ 1.78＋2.2 = 9.6÷0.6 = 1.2×0.5-0.4 = 0.7÷0.01 =
2.5×0.4 = 12－3.9= 1.25×8÷1.25 = 6.6÷0.66 = 5.37×0+4.63 =
3.9＋2.03＝ 4.2÷3.5＝ 1.6+2.4×0.3 = 2.14－0.9＝ 2.7＋7.3=
0.3×0.3= 7.2＋2.8＝ 0.9÷0.01＝ 12÷0.3= 2.87÷0.7＝
13÷4＝ 0.96÷0.3＝ 1.5×0.4＝ 7÷0.25＝ 2.5×0.7×0.8=
8－2.5＝ 16÷1.6＝ 5.6×1.01= 8×0.25＝ 0.36＋0.64＝
64.32÷16＝ 4.2÷0.1＝ 72.8÷0.8＝ 8.4÷4.2＝ 13.8＋9.9＝
2.4×2.5＝ 0.05×0.8＝ 2.56－0.37＝ 1.25×0.8×0.5＝ 12×2.5＝
1.23×3＝ 3.2÷1.6= 3.5＋3.5×3＝ 19.6÷2＝ 8.8÷2.2=
五年级上册口算（三十七） 分数
0.75×4＝ 0.5×0.8= 8.4×0.2= 1.6×0.2＝ 7.2×0.3=
2.8×0.3= 0.9÷0.15= 1.8×0.4= 5.5÷0.55= 0.08×100=
2.2÷0.11= 5.46＋4.54= 12.5×0.8= 0.35×0.3= 1.4×5=
2.8×4= 19.6÷4= 4÷0.5= 7.5÷1.5= 10÷2.5=
3.52÷1= 1.5÷3= 2.2×6= 0.42÷7= 0.42÷0.6=
0.48÷0.8= 0.9÷0.45= 5.1÷0.17= 0.81÷9= 4.8÷0.16=
8.4÷0.4= 1.8×5= 4.5÷0.9= 2.9÷100= 1.5÷0.03=
4.4÷0.11= 9.6÷16= （1.5＋0.25）×4＝ 22.5×4= 1÷0.01=
4.2×5= 3÷0.5= 6.1-0.5= 0.38+4.2= 0÷3.89=
0.6×0.2= 6.4÷4= 7.2÷0.9= 4-0.18= 0.3÷0.1=
五年级上册口算（三十八） 分数
0.125×80= 4×2.5= 1.2÷0.04= 0.7+6.53= 3.6÷0.06=
1.25÷0.25= 1-0.75= 2.6÷1.3= 4.4+6.6= 7.4-0.54=
7.82÷0.1= 0.5×1.6= 8.4÷7= 1÷5= 0.4+0.26=
2.5×6= 5.4×6= 0.07×20= 0.45÷5= 3.5-2.9=
0.48÷0.24= 1.5÷0.03= 5.65+0.35= 3÷4= 0.3×2.9=
17.3-0.8= 2.5÷0.5= 2.16-1.6= 30.4÷4= 2.5÷5=
60×3.2= 8.4÷0.5= 87-8.7= 1.8×0.5= 4.5÷0.15=
2.4×5= 3.6÷0.02= 0.29÷0.01= 1.5+0.9= 15÷0.3=
0.06×0.9= 0.96÷0.8= 2.4×11= 8.1÷9= 60.3+0.67=
2.8×5= 0.72÷0.6= 0.5×6= 0.001÷0.1= 187÷100=
五年级上册口算（三十九） 分数
0.9+0.28= 1÷4= 4.03×0.5= 1.2+0.08= 7.2÷0.09=
0.13×4= 0.3÷0.2= 1.2÷0.4= 0.6×11= 0.45÷0.15=
0.25+0.5= 15×0.3= 10÷2.5= 5.8-0.9= 3.4÷2=
0.48÷1.2= 4.3+6.9= 1.65÷0.3= 12-1.1= 1.4+2.6=
12.4÷4= 12.5×4= 9.5÷0.5= 5÷2= 9.1-1.9=
0.36÷0.9= 0×5.4= 2.5×4.4= 3.06÷3= 6.6-6=
7.6÷4= 32÷0.5= 0.25-0.19= 0.4÷0.01= 2×0.32=
12.5×0.8= 64÷0.8= 3.2-2.3= 60÷0.2= 4.16÷0.8=
5.4+6= 0.6÷5= 3.3×8= 0.5×6= 0.001÷0.1=
0.6×0.2= 6.4÷4= 7.2÷0.9= 4-0.18= 0.3÷0.1=
五年级上册口算（四十） 分数
0.8×0.2= 5.6×3= 0.25×4= 3.1×0.2= 0.45×6=
0.4×0.25= 3.6×0.8= 2.9×1= 9.6×3= 0.05×0.4= 120×0.5=
7.3×4= 0.75×2= 4.3×0.2= 12.5×8= 66×0.4=
6.01×0.3= 0×34.5= 45.2×2= 1.3×3= 4.25×4=
0. 07×0.5= 33×0.04= 6.5×4= 2.3×0.06= 15×0.08=
0.09×0.9= 4.7×0.1= 54×0.8= 1.6×0.03= 0.8×0.9=
0.6×100= 17.5×0.01= 3.2×0.5= 25×0.4= 12.5×0.8=
6×6.5= 3.6×0.7= 6.5×0.4= 8.5×0.2= 0.66×0.3=
2.5×0.4= 7.7×0.8= 0.012×20= 4.6×0.4= 3×0.09=
2.2×0.05= 4.1×0.6= 0.75×0.4= 23×0.4= 0.32×100=
五年级上册口算 （四十一） 分数
5.5×2= 4.73×10= 0×23.5= 0.25×4= 7.2×0.5=
3.3×0.5= 60×0.8= 3.4×0.6= 0.125×8= 4-1.4=
82-7.2= 19+9.1= 4.1-0.89= 5.68+0.42= 6.1-5.1=
0.72- 0.24= 0.8+0.18= 0.89-0.25= 1-0.98= 0.048+0.52=
5×400= 19.9+11.1= 187÷1000= 1+3.89= 0.081×10=
75÷10= 0.96÷8= 0.8×7= 1.5×7= 1.32×8=
0.7×8= 10.3×2= 5×0.6= 0.9×0.3= 3.5×0.2=
2.01×0= 10×0.05= 0.13×7= 0.21×100= 0.7×4=
0.05×4= 4×0.3= 430-250= 0.17+0.06= 1.02-0.09=
7200÷800= 0.17+0.6= 0.83-0.6= 17×300= 0.98-0.09=
五年级上册口算（四十二） 分数
0.2+0.78= 600×0.7= 10.2+0.02= 0.15+0.7= 670+250=
10.2+0.2= 9.2-6= 8500÷500= 3.2-3.2= 3.7+2.3=
25×100= 3.2-0.32= 2+2.8= 380-290= 0.35+0.5=
0.35+0.63= 3500÷70= 3.1+3= 3.8+0.38= 7500÷250=
3.8+1= 0.95-0.05= 450+780= 3.1+0.3= 3+0.3=
630÷9= 4.5-0.4= 9.5-5= 330×9= 9.53-1.53=
9.5-0.5= 3.5+2.4= 1-0.95= 0.3+0.27= 0.47+0.13=
4.5+4= 4-0.6= 0.95+0.05= 2.5+3.2= 0.74+0.16=
23×100= 9.8-4.8= 480÷40= 0.53÷100= 5.1+2.3=
125×80= 0.078÷10= 0.52+0.4= 70×12= 0.25×100=
五年级上册口算（四十三） 分数
3.4-2.8= 0.6-0.37= 0.052×10= 10+0.08= 1-0.75=
0.5×1000= 0.82+0.3= 13.5+6.5= 3.05×100= 1.2-0.8=
21.6-12.6= 63÷100= 0.83-0.5= 0.76+0.14= 80÷1000=
2.7+0.4= 0.72-0.43= 30×100= 0.92-0.2= 3.5+4.8=
3.5+2.4= 5+0.07= 1-0.61= 0.47+0.23= 0.25+0.75=
3.7+0.33= 0.51+0.33= 1-0.6= 8-4.6= 5.8-3.6=
0.52+0.4= 6.45+5.5= 4.5-1.3= 3.4-2.8= 9.53-1.53=
8.8-6.7= 10+0.08= 9.5-7.3= 7.2+0.8= 7.82+0.3=
8.8-6.7= 9.5-7.3= 1-0.95= 3.4-2.8= 0.96-0.35=
9.53-1.53= 0.25+0.75= 1.2-0.8= 0.83-0.5= 2.7+0=
五年级上册口算（四十四） 分数
12.5×8= 2.3×4= 3.25×0= 0.4×50= 30×0.1=
2.6×3= 4.1×2= 0.35×0.2= 7.5×0.1= 2.5×2=
0.5×10= 0.6×8= 2.8×10= 0.7×0.8= 5.6+0.4=
4.7+2.3= 4.5×2= 7.2×0.8= 6×3.4= 0.62-0.32=
0.75×100= 0.02×0.5= 3.6×0.3= 5.6×100= 0.75÷0.25=
0.125×8= 0.86÷2= 0.56÷28= 0.36÷0.4= 0.7×9=
3.6÷24= 0.8×1.1= 46.7-3.8= 12.8÷4= 5.2÷13=
1.64+4.1= 10÷20= 24÷15= 0.35×0.6= 4.7+2.3=
4.5×2= 6.9－2.5= 7.2×0.8= 6×3.4= 0.62－0.32=
1.4×0.5= 0.75×100= 0.02×0.5= 3.6÷0.3= 6.3÷7=
五年级上册口算（四十五） 分数
5.6÷100= 0.75÷0.25= 0.125×8= 4.8÷0.3= 0.96÷2=
0.56÷28= 0.36÷0.4= 0.64÷0.8= 0.72÷3.6= 3.6÷12=
0.8×1.1= 7.2+12.8= 46.7－3.8= 12.8÷4= 5.2÷13=
12.5÷5= 1.64÷41= 10÷20= 24÷15= 8.65×10=
0.35×0.6= 3.08×0.01= 4.95×1000= 6.9×0.1= 0.4×0.5=
2.4÷0.8= 10.8÷9= 9.6÷0.8= 0.108÷2= 4.95÷0.9=
9.65÷0.1= 0.325×100= 2.5×8= 0. 56÷0.7= 0.125×4=
3.28×0.1= 3.9÷0.13= 7.2×0.1= 0.01×0.1= 1÷2.5=
1.25×0.8= 3.2÷0.04= 0÷1.7= 1.4÷0.5= 1.55÷0.5=
3.15÷0.7= 1.86÷0.2= 1.04÷0.8= 0.38÷0.1= 1.36÷0.2=
五年级上册口算（四十六） 分数
1.16÷0.4= 0.12÷0.6= 0.27÷0.9= 0.48÷0.2= 8.73÷0.9=
0.72÷0.3= 0.46÷0.1= 0.22÷0.2= 3.45÷0.5= 4.62÷0.6=
1.92÷0.4= 0.9÷0.3= 5.11÷0.7= 0.35÷0.1= 3.92÷0.8=
4.32÷0.9= 0.24÷0.8= 3.15÷0.7= 0.98÷0.7= 1.8÷0.6=
1.76÷0.4= 2.64÷0.4= 7.56÷0.9= 1.19÷0.7= 1.53÷0.9=
1.33÷0.7= 1.18÷0.2= 0.09÷0.1= 0.21÷0.1= 1.54÷0.2=
8.28÷0.9= 3÷0.5= 1.71÷0.3= 7.44÷0.8= 2.48÷0.8=
0.75÷0.5= 1.92÷0.8= 1.2÷0.8= 0.07÷0.7= 3.69÷0.9=
2.28÷0.3= 0.25×0.4= 1.6÷0.8= 0.8×7＝ 1.32×8＝
1.5×7＝ 0.7×8＝ 10.3×2＝ 3.5×0.2＝ 0.9×0.3＝
五年级上册口算（四十七） 分数
5×0.6＝ 10×0.05＝ 0.13×7＝ 0.7×4＝ 0.05×4＝
12.5×8＝ 0.4×50＝ 3.25×0＝ 2.3×4＝ 2.6×3＝
7.5×0.1＝ 0.45×0.2＝ 4.1×2＝ 3.5×0.01＝ 9×0.5＝
0×9.8＝ 3.9＋0.39＝ 4.1×2＝ 2.6×3＝ 1.25×8＝
7.5×0.1＝ 1×0.06＝ 0.9×0.3＝ 9×0.5= 2.5×0.4=
10－3.52= 8.2＋1.8= 0.2×0.4= 0.22×4= 0.9－0.52=
3.99×1= 4×0.3= 30×0.1= 0.35×0.2= 1－0.08=
4.8＋5.2= 2.01×0= 2.4×5= 1.25×8= 7.82－7.2=
2.19＋9.1= 10.1－0.89= 6.8＋0.42= 0.8＋0.18= 0.72－0.24=
8.1－5.1= 0.89－0.25= 1－0.98= 0.48＋0.52= 0.5×40=
五年级上册口算（四十八） 分数
0.125×8= 5.6÷1.4＝ 0.28÷1.4＝ 0.1÷0.5= 3.88÷0.4=
0.21×100= 3.4－1.4= 0.45×2.5＝ 0.8×1.25＝ 0.3×3.6＝
0.3×0.3＝ 10×0.07＝ 0.3×1.4＝ 0.05×7＝ 0.92×0.4＝
0.2×0.26＝ 0.14×4＝ 0.02×0.1＝ 1.2×0.3＝ 0.2×0.4＝
8.2＋1.8＝ 100-35.22＝ 2.3×4＝ 2.5×0.4＝ 2.4×5＝
0.22×4＝ 3.25×0＝ 0.9－0.52＝ 3.99×1＝ 0×3.52＝
12.5×8＝ 8÷10 = 1.47÷0.7= 0.43+3.57= 0.9×0.8=
1÷0.5= 0.96÷3= 2.5×4×12= 10-1.8-7.2= 16.5×10=
0.56×100= 3.78×100= 4÷0.8 = 3.215×100= 0.8×10=
4.08×100= 1.1×0.2 = 0.6×0.8 = 3×0.9= 2.5×0.4=
五年级上册口算（四十九） 分数
3.6×0.4= 12.5×8= 50×0.04= 80×0.3 = 1.1×9=
0.16×5 ﹦ 1.78＋2.2 = 9.6÷0.6 = 1.2×0.5-0.4 = 0.7÷0.01 =
2.5×0.4 = 12－3.9= 1.25×8÷1.25 = 6.6÷0.66 = 5.37×0+4.63 =
3.9＋2.03＝ 4.2÷3.5＝ 1.6+2.4×0.3 = 2.14－0.9＝ 2.7＋7.3=
0.3×0.3= 7.2＋2.8＝ 0.9÷0.01＝ 12÷0.3= 2.87÷0.7＝
13÷4＝ 0.96÷0.3＝ 1.5×0.4＝ 7÷0.25＝ 2.5×0.7×0.8=
8－2.5＝ 16÷1.6＝ 5.6×1.01= 8×0.25＝ 0.36＋0.64＝
64.32÷16＝ 4.2÷0.1＝ 72.8÷0.8＝ 8.4÷4.2＝ 13.8＋9.9＝
2.4×2.5＝ 0.05×0.8＝ 2.56－0.37＝ 1.25×0.8×0.5＝ 12×2.5＝
1.23×3＝ 3.2÷1.6= 3.5＋3.5×3＝ 19.6÷2＝ 8.8÷2.2=
五年级上册口算（五十） 分数
0.75×4＝ 0.5×0.8= 8.4×0.2= 1.6×0.2＝ 7.2×0.3=
2.8×0.3= 0.9÷0.15= 1.8×0.4= 5.5÷0.55= 0.08×100=
2.2÷0.11= 5.46＋4.54= 12.5×0.8= 0.35×0.3= 1.4×5=
2.8×4= 19.6÷4= 4÷0.5= 7.5÷1.5= 10÷2.5=
3.52÷1= 1.5÷3= 2.2×6= 0.42÷7= 0.42÷0.6=
0.48÷0.8= 0.9÷0.45= 5.1÷0.17= 0.81÷9= 4.8÷0.16=
8.4÷0.4= 1.8×5= 4.5÷0.9= 2.9÷100= 1.5÷0.03=
4.4÷0.11= 9.6÷16= （1.5＋0.25）×4＝ 22.5×4= 1÷0.01=
4.2×5= 3÷0.5= 6.1-0.5= 0.38+4.2= 0÷3.89=
0.6×0.2= 6.4÷4= 7.2÷0.9= 4-0.18= 0.3÷0.1=
五年级上册口算（五十一） 分数
0.125×80= 4×2.5= 1.2÷0.04= 0.7+6.53= 3.6÷0.06=
1.25÷0.25= 1-0.75= 2.6÷1.3= 4.4+6.6= 7.4-0.54=
7.82÷0.1= 0.5×1.6= 8.4÷7= 1÷5= 0.4+0.26=
2.5×6= 5.4×6= 0.07×20= 0.45÷5= 3.5-2.9=
0.48÷0.24= 1.5÷0.03= 5.65+0.35= 3÷4= 0.3×2.9=
17.3-0.8= 2.5÷0.5= 2.16-1.6= 30.4÷4= 2.5÷5=
60×3.2= 8.4÷0.5= 87-8.7= 1.8×0.5= 4.5÷0.15=
2.4×5= 3.6÷0.02= 0.29÷0.01= 1.5+0.9= 15÷0.3=
0.06×0.9= 0.96÷0.8= 2.4×11= 8.1÷9= 60.3+0.67=
2.8×5= 0.72÷0.6= 0.5×6= 0.001÷0.1= 187÷100=
五年级上册口算（五十二） 分数
0.9+0.28= 1÷4= 4.03×0.5= 1.2+0.08= 7.2÷0.09=
0.13×4= 0.3÷0.2= 1.2÷0.4= 0.6×11= 0.45÷0.15=
0.25+0.5= 15×0.3= 10÷2.5= 5.8-0.9= 3.4÷2=
0.48÷1.2= 4.3+6.9= 1.65÷0.3= 12-1.1= 1.4+2.6=
12.4÷4= 12.5×4= 9.5÷0.5= 5÷2= 9.1-1.9=
0.36÷0.9= 0×5.4= 2.5×4.4= 3.06÷3= 6.6-6=
7.6÷4= 32÷0.5= 0.25-0.19= 0.4÷0.01= 2×0.32=
12.5×0.8= 64÷0.8= 3.2-2.3= 60÷0.2= 4.16÷0.8=
5.4+6= 0.6÷5= 3.3×8= 0.5×6= 0.001÷0.1=
0.6×0.2= 6.4÷4= 7.2÷0.9= 4-0.18= 0.3÷0.1=
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