列竖式计算
(1)7.6×0.9 2 (2)10.5×0. 36 (3)4.25×0.18
(4) 0.3÷0.12 (5)104.78÷26 (6) 57.96÷4.6
0.43×0.28 6.45×0.73 0.396÷1.2
两位小数 6.64÷3.4 305÷3.6 42.6÷2.8
循环小数4.28÷ 1.8 38.2÷ 2.7 12.4÷ 11
二、递等式计算,能简算的要简算。
8.7×10.1 7.06×2.4-5.7 6.35÷0.8÷1.25
2.5×6.8×0.4 2.5×3.2×1.25 21.36÷0.8×2.9
12.5×7.4×0.8 9.9×6.4-(2.5+0.24) 6.5×9.5+6.5×0.5
0.35×1.6+0.35×3.4 0.45+6.37+4.55 6.72-3.28-1.72
4.8×46+4.8×54 48×1.25 1.25×32×2.5
28×12.5-12.5×20 23.6-(3.07+3.65) 87×9.9
1.65×99+1.65 50×1.25×0.2×8 27.85-(7.85+3.4)
102×0.45 8.27+7.52+1.73-3.52 0.79×99+0.79
0.15+0.75×18 72+8÷2.5-30.8 2.8×3.2+3.2×7.2
30.8÷[14-(9.85+1.07)] [60-(9.5+28.9)]÷0.18 2.881÷0.43-0.24×3.5 28-(3.4+1.25×2.4) 2.55×7.1+2.45×7.1 20×[(2.44-1.8)÷0.4+0.15]
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