5/9×3/4+1/2怎么简算?
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5/9×3/4+1/2的简便解答,过程如下:
5/9×3/4+1/2
=5/9+(3/4×1/2)
=5/9+3/8
=40/72+27/72
=67/72
5/9×3/4+1/2
=5/9+(3/4×1/2)
=5/9+3/8
=40/72+27/72
=67/72
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5/9×3/4+1/2,题中,应先算
5/9×3/4
=(5×3)/(9×4)
=15/36=5/12
原式=5/12+1/2
=5/12+6/12
=(5+6)/12
=11/12
5/9×3/4
=(5×3)/(9×4)
=15/36=5/12
原式=5/12+1/2
=5/12+6/12
=(5+6)/12
=11/12
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5/9×3/4+1/2
=5/12+1/2
=5/12+6/12
=11/12
=5/12+1/2
=5/12+6/12
=11/12
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评论
收起
你对这个回答的评价是?
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