题目内容
【题目】脱式计算.
136+3.6÷1.2
(53.7+14.45)÷2.5
(7.5﹣2.3×0.4)÷0.01
0.175÷0.25×4
【答案】139;
27.26;
658;
2.8
【解析】
(1)136+3.6÷1.2
=136+3
=139
(2)(53.7+14.45)÷2.5
=68.15÷2.5
=27.26
(3)(7.5﹣2.3×0.4)÷0.01
=(7.5﹣0.92)÷0.01
=6.58÷0.01
=658
(4)0.175÷0.25×4
=0.7×4
=2.8
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