遞等式計算，有簡便運算的用簡便方法
5×0.3×0.2 5.2×6－10 6.8－0.8×4 9.8－0.6＋3.2
0.6×0.5×1.13 8.25＋2.4×0.5 12.8－4.8×0.25 20×1.95－1.8
7.5＋2.5×5.2 102×0.45 4.3×0.25×0.4 50.8×101－50.8
7.8×0.36－0.64×7.8 8×0.9×1.25 0.4×（2.5＋25） 2.4＋7.6×3.4
14.25×14.6－4.25×14.6 81×1.01 2.139÷9.3×6.2 4.264÷（0.16×20.5）
2.6×1.9÷2.6 2.88÷0.12×7.5 8.5－21.28÷7.6 6.8÷（0.25×6.8）
c Om
0.25×1.25×32 0.13×3.89＋0.13×6.11 102×8.5 6.75÷0.25÷0.4
五年級上學期遞等式計算練習（二）
姓名：
遞等式計算，有簡便運算的用簡便方法x k b 1.c o m
38.75－（24.5＋8.75） 0.4×2.32×0.25 0.75×101 4.2－3.2×0.9
7.56×99＋7.56 70.3－17.48÷7.6 3.64÷5.2×23.3 21.8÷0.8－1.2×5
45÷(5.25÷0.25) 16.5×101－16.5 0.96÷0.3×14 1.25×4×2.5×8
36.45÷(0.82＋3.4×0.2) 9.07－2.64÷0.4 1.5×101 12.6×7.5＋8.3
13.6×0.85－3.6×0.85 104×8.5 86.4÷6.4－0.4 0.25×6.2×0.4
23×6.5＋17×6.5 36÷0.4×0.25 (24.6－18.1)×3.4 7.6×9.9 7.6×0.1
13.6×0.8×12.5 23.9×8.5－3.9×8.5 (2.55＋9.6÷16)÷0.42 9.2÷0.25÷4
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