宽:480÷8=60(米)
长:240÷6=40(米)
所以,原长方形的面积为:
60×40=2400(平方米)
答:原长方形的面积是2400平方米
有一个长方形,如果把长减少8米,面积就减少480平方米,如果把宽增加6米,面积就增加240米,原长方形的面积是多少?
有一个长方形,如果把长减少8米,面积就减少480平方米,如果把宽增加6米,面积就增加240米,原长方形的面积是多少?
数学人气:480 ℃时间:2019-11-01 08:43:08
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