
展开全部
0.7×5/49+1.6÷8/3
=0.1×5/7+1.6×3/8
=5/70+0.2×3
=5/70+3/5
=5/70+42/70
=47/70
=0.1×5/7+1.6×3/8
=5/70+0.2×3
=5/70+3/5
=5/70+42/70
=47/70
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展开全部
0.7×5/49+1.6÷8/3
=0.1×5/7+1.6×3/8
=5/70+6/10
=5/70+42/70
=47/70
=0.1×5/7+1.6×3/8
=5/70+6/10
=5/70+42/70
=47/70
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已踩过<
评论
收起
你对这个回答的评价是?
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