脱式计算.(78+52)×(120÷60)(128-72)×12÷4880-(16.405+14.9)68.7-(44.6+0.375)150×40×25×25625÷75+25×32.-数学

题目简介

脱式计算.(78+52)×(120÷60)(128-72)×12÷4880-(16.405+14.9)68.7-(44.6+0.375)150×40×25×25625÷75+25×32.-数学

题目详情

脱式计算.
(78+52)×(120÷60)
(128-72)×12÷48
80-(16.405+14.9)68.7-(44.6+0.375)
150×40×25×25625÷75+25×32.
题型:解答题难度:中档来源:不详

答案

(1)(78+52)×(120÷60)
=130×2
=260;

(2)(128-72)×12÷48
=56×12÷48
=672÷48
=14;

(3)80-(16.405+14.9)
=80-31.305
=48.695;

(4)68.7-(44.6+0.375)
=68.7-44.975
=23.725;

(5)150×40×25×2
=(150×2)×(40×25)
=300×1000
=300000;

(6)5625÷75+25×32
=75+800
=875.

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