5/8-(1/8+3/10)+7/10怎么简算
第1个回答 2018-03-24
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第2个回答 2018-03-24
5/8-(1/8+3/10)+7/10
=(5/8-1/8)+(7/10-3/10)
=1/2+2/5
=9/10
=(5/8-1/8)+(7/10-3/10)
=1/2+2/5
=9/10
第3个回答 2019-12-17
5/8-(1/8+3/10)+7/10
=5/8-1/8-3/10+7/10
=(5/8-1/8)+(7/10-3/10)
=4/8+4/10
=5/10+4/10
=9/10
=5/8-1/8-3/10+7/10
=(5/8-1/8)+(7/10-3/10)
=4/8+4/10
=5/10+4/10
=9/10
第4个回答 2018-03-24
5/8-(1/8+3/10)+7/10
=5/8-1/8-3/10+7/10
=(5/8-1/8)+(7/10-3/10)
=1/2+2/5
=9/10本回答被网友采纳
=5/8-1/8-3/10+7/10
=(5/8-1/8)+(7/10-3/10)
=1/2+2/5
=9/10本回答被网友采纳