
展开全部
4/5×16/17-1/2×4/5等于
4/5×16/17-1/2×4/5
=4/5×(16/17-1/2)
=4/5×(32/34-17/34)
=4/5×15/34
=4×3/34
=6/17
4/5×16/17-1/2×4/5
=4/5×(16/17-1/2)
=4/5×(32/34-17/34)
=4/5×15/34
=4×3/34
=6/17
2017-09-01 · 建百年名校,做百年伟业
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展开全部
4/5×16/17-1/2×4/5
解=4/5(16/17-1/2)
=4/5*15/34
=6/17
解=4/5(16/17-1/2)
=4/5*15/34
=6/17
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