问题 解答题
脱式计算.
17.68÷5.2+2.7×1.535.6-5×1.73(1.1-0.78)×(2.7-1.95)
答案

(1)17.68÷5.2+2.7×1.5,

=3.4+4.05,

=7.45;

(2)35.6-5×1.73,

=35.6-8.65,

=26.95;

(3)(1.1-0.78)×(2.7-1.95),

=0.32×0.75,

=0.24.

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