怎样简便就怎样算.125×25×322300-165-3525×204125×(8+4)3200÷25÷456×32-46×32432÷54+17×5499×78+78.-数学

题目简介

怎样简便就怎样算.125×25×322300-165-3525×204125×(8+4)3200÷25÷456×32-46×32432÷54+17×5499×78+78.-数学

题目详情

怎样简便就怎样算.
125×25×322300-165-3525×204125×(8+4)
3200÷25÷456×32-46×32432÷54+17×5499×78+78.
题型:解答题难度:中档来源:不详

答案

(1)125×25×32,
=125×25×(8×4),
=(125×8)×(25×4),
=1000×100,
=100000;

(2)2300-165-35,
=2300-(165+35),
=2300-200,
=2100;

(3)25×204,
=25×(200+4),
=25×200+25×4,
=5000+100,
=5100;

(4)125×(8+4),
=125×8+125×4,
=1000+500,
=1500;

(5)3200÷25÷4,
=3200÷(25×4),
=3200÷100,
=32;

(6)56×32-46×32,
=(56-46)×32,
=10×32,
=320;

(7)432÷54+17×54,
=8+918,
=926;

(8)99×78+78,
=(99+1)×78,
=100×78,
=7800.

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