2019人教版五年级上册数学寒假作业答案语文

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人教版五年级上册数学寒假作业答案2019
为了保证学生能度过一个健康、快乐、安全、有意义的假期,查字典数学网小学频道为大家提供了人教版五年级上册数学寒假作业答案,希望对大家有所帮助。人教版五年级上册数学寒假作业答案2019第一页:
一、31.28.71.26124170.40.2430.0615二、4.140.1442.0428
三、16.25162.50.1625,420.42四、15.627.72第二页:
四、2.254.1625.7582五、4.83.222.81.6=15.362=4.48(平方厘米=7.68(平方厘米
(2.4+4.63.22(8.4+11.87.52=73.22=20.27.52
=11.2(平方厘米=75.75(平方厘米第三页:六、解决问题。
168043.2=1703.2=544(千米
1
0.42
2①541.815=36.12(米②541.87=77.4(米③77.4-36.12=41.28(31855.4=999(千米40.82418=19.218=345.6(第四页:
53241.2+48=388.8+48=436.8(提高篇:128
2392.6192-392600.927.523+312.5=392.6192-392.692=2.5(323+312.5=392.6(192-92=2.5(69+31=392.6100=2.5100=39260=250
30.790.46+7.90.24+11.40.079=0.790.46+0.792.4+1.140.79=0.79(0.46+2.4+1.14=0.794=3.16第五页:1232.37.7
2

30.832.46
40.56101=0.56100+0.561=56+0.56=56.562.370.54=2.37(0.54=2.372=4.743.72.5+6.32.5=(3.7+6.32.5=102.5=251.20.25=40.250.3=10.3=0.3
0.256.90.4=0.250.46.9=0.16.9=0.690.25321.25=0.254(81.25=110=10第六页:
5、周长(4.8+3.22=82=16(厘米面积4.83=14.4(平方厘米614.751.2=5.7(
261.5=9(96=54(平方米61.56=96=54(平方米
3(35.7+24.325=6025=1500(第七页:
4150.45=6.75(千米60.9=5.4(千米6.755.4
:李老师家离学校有6.75千米,0.9小时不能到学校.52.9423=67.62(68(
66.542100112=0.13112=14.56((要把平方分米转换为平方米第八页:
3

72418.5=444(平方厘米84.81.52=7.22=3.6(平方厘米(2.7+6.352=452=22.5(平方分米
91020+(12-10(20-142=200+6=206(平方厘米(方法多提高篇:
1、甲数的小数点向右移动一位就等于乙数,说明乙数是甲数的10倍。
解:设甲数是X,则乙数是10X10X-X=7.02
解得X=0.7810X=7.8先求甲数7.02(10-1=0.78再求乙数7.02+0.78=7.8210.55+11.34-9.38=52.5+45.2-74.4=23.3
3、平均每人吃几个:93=3(甲多付几个面包钱:5-3=2(每个面包多少钱:1.23=0.4(甲应收回钱数:0.42=0.8(第九页:18,6,6
4

0.8,6,0.60.8,6,0.680,0.6,620.4545450
3、都错了,第一题应得0.07,第二题应得2.5.419,6.7,1.28,9,570,1.6,10:35,11
59050.8,15,0.8
6、牛奶单价:1.65牛肉单价:11.50鱼数量1.6蛋糕合计15.80合计应收55.00找回45.0011页:
167.24=16.8(2410.55=82.1(千米/345.67.6=6(43.70.410(12:
5430.62417(
430.6-2415=430.6-360=70.6(70.6213(提高篇:
10.99990.7+0.11112.7=0.99990.7+0.99990.3
5

=0.9999(0.7+0.3=0.99991=0.9999(3.44.89.5(1.91.72.4=(3.41.7(4.82.4(9.51.9=225=20
20.479.4=0.051.54-0.31=1.231.23+0.05=1.28方框中填1.28
44.9+(4.9+9.8+(4.9+9.82++(4.9+9.89=4.910+9.8(1+2++9=49+441=490(13:
1有限小数:5.0101,3.4567,5.0461111,8.9,9.876543,3.999
循环小数:4.16,8.7,8.69,0.9232323,2.959595无限不循环小数:3.45678920.168125,0.18,
3横着看:第2345题打勾。14页:
4(1.5+18.5+A(2.3+7.7X(ACB50.143,2.333,0.018,10.325,8.2446电冰箱有多高?0.851.8=1.53(电冰箱比小朋友高多少?
1.530.85=0.68(0.85(1.81=0.68(
6


70.19960.19960.20190.1996
7

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