计算下面各题,注意运用简便方法.1.7-36÷301÷〔(1.1-0.7)×0.2〕7.3×7.3+2.7×7.34.78-0.96-0.04930÷5÷0.6.-数学

题目简介

计算下面各题,注意运用简便方法.1.7-36÷301÷〔(1.1-0.7)×0.2〕7.3×7.3+2.7×7.34.78-0.96-0.04930÷5÷0.6.-数学

题目详情

计算下面各题,注意运用简便方法.
1.7-36÷301÷〔(1.1-0.7)×0.2〕7.3×7.3+2.7×7.34.78-0.96-0.04930÷5÷0.6.
题型:解答题难度:中档来源:不详

答案

(1)1.7-36÷30
=1.7-1.2,
=0.5;

(2)1÷[(1.1-0.7)×0.2]
=1÷[0.4×0.2],
=1÷0.08,
=12.5;

(3)7.3×7.3+2.7×7.3
=(7.3+2.7)×7.3,
=10×7.3,
=73;

(4)4.78-0.96-0.04
=4.78-(0.96+0.04),
=4.78-1,
=3.78;

(5)930÷5÷0.6
=930÷(5×0.6),
=930÷3,
=310.

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