题目内容

【题目】计算下面各题,能简算的要简算。

112.5×16×0.5 24.8÷0.16÷0.3

348.7-32.76÷8.4 40.57×99+0.57

【答案】1100 2100

344.8 457

【解析】

112.5×16×0.5

=12.5×8×2×0.5

=(12.5×8)×(2×0.5)

=100×1

=100

24.8÷0.16÷0.3

=4.8÷(0.16×0.3)

=4.8÷0.048

=100

348.7-32.76÷8.4

=48.7-3.9

=44.8

40.57×99+0.57

=0.57×(99+1)

=0.57×100

=57

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