问题 解答题
用简便方法进行计算
0.8×7.3×0.1252.8×3.5+3.5×18.2-3.5101×0.99.
答案

(1)0.8×7.3×0.125,

=0.8×0.125×7.3,

=0.1×7.3,

=0.73;

(2)2.8×3.5+3.5×18.2-3.5,

=(2.8+18.2-1)×3.5,

=20×3.5,

=70;

(3)101×0.99,

=(100+1)×0.99,

=99+0.99,

=99.99.

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