125×5.4-4.6×125 怎么简便运算?
问题描述：
125×5.4-4.6×125 怎么简便运算?
答
125*5.4-4.6*125
=125*4.6+125*0.8-125*4.6
=125*0.8
=100
答
=125*（5.4-4.6）=125*0.8=1
答
125×5.4-4.6×125
=125x(5.4-4.6)
=125x0.8
=100
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答
原式=125×（5.4-4.6）
=125×0.8
=100