脱式计算.100-28+72200-28×554+783÷2740×(62-37)-数学

题目简介

脱式计算.100-28+72200-28×554+783÷2740×(62-37)-数学

题目详情

脱式计算.
100-28+72200-28×554+783÷2740×(62-37)
题型:解答题难度:中档来源:不详

答案

(1)100-28+72,
=72+72,
=144;

(2)200-28×5,
=200-140,
=60;

(3)54+783÷27,
=54+29,
=83;

(4)40×(62-37),
=40×25,
=1000.

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