
72X28+36X44简便方法?
4个回答
展开全部
72×28+36×44
=36×56+36×44
=36×(56+44)
=36×100
=3600
=36×56+36×44
=36×(56+44)
=36×100
=3600
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展开全部
72×28+36×44
=36×2×28+36×44
=36×56+36×44
=36×(56+44)
=36×100
=3600
=36×2×28+36×44
=36×56+36×44
=36×(56+44)
=36×100
=3600
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2020-02-02 · 知道合伙人教育行家
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展开全部
72×28+36×44简便方法
72×28+36×44
=72×28+36×2×22
=72×28+72×22
=72×(28+22)
=72×50
=3600
或者
72×28+36×44
=36×(2×28)+36×44
=36×56+36×44
=36×(56+44)
=36×100
=3600
72×28+36×44
=72×28+36×2×22
=72×28+72×22
=72×(28+22)
=72×50
=3600
或者
72×28+36×44
=36×(2×28)+36×44
=36×56+36×44
=36×(56+44)
=36×100
=3600
已赞过
已踩过<
评论
收起
你对这个回答的评价是?
展开全部
=36×2×28+36×44
=36×56+36×44
=36×(56+44)
=36×100
=3600满意望采纳
=36×56+36×44
=36×(56+44)
=36×100
=3600满意望采纳
已赞过
已踩过<
评论
收起
你对这个回答的评价是?
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