问题 解答题

脱式计算,能简算的要简算.

0.88×4.9+5.1×0.88

4.7×10.23.24×1.6÷0.27.

答案

(1)0.88×4.9+5.1×0.88,

=0.88×(4.9+5.1),

=0.88×10,

=8.8;

(2)4.7×10.2,

=4.7×(10+0.2),

=4.7×10+4.7×0.2,

=47+0.94,

=47.94;

(3)3.24×1.6÷0.27,

=5.184÷0.27,

=19.2.

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