题目内容

【题目】直接写出得数。

101.410.41.6×0.012510÷0.2÷0.5

0.65×29.02÷0.010.4×0.22×0.25

2.4×0.254.70.47= (3.6391)÷1.3

【答案】910.02100

1.39020.022

0.64.232.03

【解析】

根据小数的计算方法和简便计算直接进行口算即可。

101.410.491 1.6×0.01250.2×(8×0.0125)=0.2×0.10.02 10÷0.2÷0.510÷(0.2×0.5)=10÷0.1100

0.65×21.3 9.02÷0.01902 0.4×0.22×0.250.4×0.25×0.220.1×0.220.022

2.4×0.250.25×4×0.61×0.60.6 4.70.474.233.6391)÷1.32.639÷1.32.03

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