19.88-7.66-2.34
3个回答
展开全部
19.88-7.66-2.34
=19.88-(7.66+2.34)
=19.88-10
=9.88
=19.88-(7.66+2.34)
=19.88-10
=9.88
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2020-09-09
展开全部
19.88-7.66-2.34
=12.22-2.34
=9.88
简便算法:
19.88-7.66-2.34
=19.88-(7.66+2.34)
=19.88-10
=9.88
=12.22-2.34
=9.88
简便算法:
19.88-7.66-2.34
=19.88-(7.66+2.34)
=19.88-10
=9.88
已赞过
已踩过<
评论
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你对这个回答的评价是?
展开全部
19.88-7.66-2.34
=19.88-(7.66+2.34)
=19.88-10
=9.88
希望采纳,谢谢
=19.88-(7.66+2.34)
=19.88-10
=9.88
希望采纳,谢谢
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