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7/17×5/8+5/17×1/8怎样简算?
题目详情
7/17×5/8+5/17×1/8怎样简算?
▼优质解答
答案和解析
7/17×5/8+5/17×1/8
=7/17×5/8+1/17×5/8
=（7/17+1/17）×5/8
=8/17×5/8
=5/17
=7/17×5/8+1/17×5/8
=（7/17+1/17）×5/8
=8/17×5/8
=5/17
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