7.63+(13.25-6.75)怎么用简便运算？
2个回答
展开全部
7.63+(13.25-6.75)
=7.63+[13.25-(7-0.25)]
=7.63+(13.25+0.25-7)
=7.63+(13.5-7)
=7.63+13.5-7
=0.63+13.5
=14.13
=7.63+[13.25-(7-0.25)]
=7.63+(13.25+0.25-7)
=7.63+(13.5-7)
=7.63+13.5-7
=0.63+13.5
=14.13
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展开全部
7.63+(13.25-6.75)
=7.63+[13.25-(7-0.25)]
=7.63+(13.25+0.25-7)
=7.63+(13.5-7)
=7.63+13.5-7
=0.63+13.5
=14.13
=7.63+[13.25-(7-0.25)]
=7.63+(13.25+0.25-7)
=7.63+(13.5-7)
=7.63+13.5-7
=0.63+13.5
=14.13
已赞过
已踩过<
评论
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你对这个回答的评价是？
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