问题 解答题
递等式计算(能简便的要简便计算)
9.6÷0.4×0.25
8.68-8.68÷0.56×0.529.7÷(5.85÷0.65)
1.25×3.2×0.814.5×1024.7×4.7+4.7+4.7×4.3.
答案

9.6÷0.4×0.25,

=24×0.25,

=0.25×4×6,

=6;

8.68-8.68÷0.56×0.5,

=8.68-8.68×(0.5÷0.56),

=8.68×(1-0.5÷0.56),

=8.68×0.06÷0.56,

=8.68×

3
28

=0.93;

29.7÷(5.85÷0.65),

=29.7÷9,

=3.3;

1.25×3.2×0.8,

=(1.25×0.8)×3.2,

=1×3.2,

=3.2;

14.5×102,

=14.5×(100+2),

=14.5×100+14.5×2,

=1450+29,

=1479;

4.7×4.7+4.7+4.7×4.3,

=(4.7+1+4.3)×4.7,

=10×4.7,

=47.

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