八分之五×九分之二+八分之七×九分之五怎么简算?
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5/8x2/9+7/8x5/9
=5/8x2/9+5/8x7/9
=5/8x(2/9+7/9)
=5/8x9/9
=5/8
=5/8x2/9+5/8x7/9
=5/8x(2/9+7/9)
=5/8x9/9
=5/8
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5/8x2/9+7/8x5/9 =5/8x2/9+5/8x7/9 =5/8x(2/9+7/9)=5/8x9/9 =5/8
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展开全部
5/8x2/9+7/8x5/9
=5/8x2/9+5/8x7/9
=5/8x(2/9+7/9)
=5/8x9/9
=5/8
=5/8x2/9+5/8x7/9
=5/8x(2/9+7/9)
=5/8x9/9
=5/8
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你对这个回答的评价是?
展开全部
5/8x2/9+7/8x5/9
=5/8x2/9+5/8x7/9
=5/8x(2/9+7/9)
=5/8x9/9
=5/8
=5/8x2/9+5/8x7/9
=5/8x(2/9+7/9)
=5/8x9/9
=5/8
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评论
收起
你对这个回答的评价是?
展开全部
5/8x2/9+7/8x5/9
=5/8x2/9+5/8x7/9
=5/8x(2/9+7/9)
=5/8x9/9
=5/8
=5/8x2/9+5/8x7/9
=5/8x(2/9+7/9)
=5/8x9/9
=5/8
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评论
收起
你对这个回答的评价是?
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