问题 解答题
脱式计算,能简便的要简便
57.6÷1.8×0.22.7×20110.85+0.56÷0.28.
答案

(1)57.6÷1.8×0.2,

=32×0.2,

=6.4;

(2)2.7×201,

=2.7×(200+1),

=2.7×200+2.7,

=540+2.7,

=542.7;

(3)10.85+0.56÷0.28,

=10.85+2,

=12.85.

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