50.9除以0.125怎么简便运算
问题描述:
50.9除以0.125怎么简便运算
答
用50900除以125就可以了
答
50.9÷0.125
=50.9÷1/8
=50.9×8
=(50 0.9)×8
=50×8 0.9×8
=400 7.2
=407.2
答
50.9÷0.125
=(50.9×8)÷(0.125×8)
=407.2÷1
=407.2
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答
50.9除以0.125
50.9÷1/8
=50.9×8
=(50+0.9)×8
=50×8+0.9×8
=400+7.2
=407.2