
(5/6-4/15+7/10)÷1/30怎么算?
1个回答
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依据题意列式计算如下:
(5/6-4/15+7/10)÷1/30
=5/6×30-4/15×30+7/10×30
=5×5-4×2+7×3
=25-8+21
=46-8
=38
(5/6-4/15+7/10)÷1/30
=5/6×30-4/15×30+7/10×30
=5×5-4×2+7×3
=25-8+21
=46-8
=38
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