一、分数和分数相乘。(注意:能约分的先约分,再计算。)
×= ×= ×= ×= ×= ×=
×= ×= ×= ×= ×= ×=
×= ×= ×= ×= ×= ×=
×= ×= ×= × × ×
二、分数乘、加、减混合。
×(-) ××14 ×+1 +×
-× 1-× ×(5-) ×7+
分数乘、加、减简便运算。
××5 (+)×24 ××14
×× ×× ×22×
(-)×36 99× -×
×12× ×× ×97×
×+× ×+× ×15-×15
×57 +×16 ×+×
×(-) (13+)× ×12+
分数乘法计算题练习(一)
×21 56× × × ×
7× × 5 ×3 ×10 ×
× × × × ×12
3.6× 27× × 1×8 1×3
×12 ×5 ×1.6 ×15 19×
72× × × × ×24
48× × 28× 8×0.875 ×
150× 3.25× × 2× ×120
分数乘法计算题练习(二)
×5 1×18 15× ×24 ×
+ 108× 1× ×11 ×
× × ×7 ×1 ×
42× × ×34 × +4
×5 × 2×12 × 2× 3
×100 13× × ×× 9-
× 45× 1×21 × 3×22
42× ×× 35× ×2 4.5 ×
分数乘法计算题练习(三)
×3 ×2 ×22× × 2×1
×7 45× ×× 4.5×5 1× 0.4
14×4 ×12 ×× 3×22 3.3×2
1×0.32 2.7×1 4.4× 0.85× 1 2 ×5
1×3.5 3×3.5 2×0.56 2×12 3×14
2× 2×1 32 × 3 1.5 ×2 4×0.48
5×4 7×2 3×4 2.3×1 ×3.3-0.9
2×6×2.6 2.125× 2 ×6 ×× ×34
分数乘法计算题练习(四)
1×1×2 1×× ×× (+)×12
2×× × 101 8+0.25×8 4× 1×
×6+6×0.375 (-)×50 ×× 3× 4 ×
×35 2×3× 3××1 ××
2×1× ×1×1 ×× × ××
×× × × ×120 ×
× + × 2× 3 ×2
×2 1× 4× 2× 2×1
2×1 3××1 2×1× 3× 4 ×
2×3× ×× ×1×1 2×12
1×× 2×× 3×22 4.5×5 3.3×2
14×4 2×12 ×7 3.6× 150× ×5
72× × × × ×24
1×0.32 4.5 ×1 2.125× 2 3×3.5 2×0.56
0.85× 1 2.3×1 (+)×12 × 101 1×8+0.25×8
×6+6×0.375 2 ×5 1.5 ×2 4.4× 4×0.48
1×3.5 32 × 3 (-)×50 4× 1× 2×6×2.6
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