长方形ABCD周长16厘米,在每条边上画个以该边为边长的正方形,这四个正方形面积和是68那么长方形的面积是
长方形ABCD周长16厘米,在每条边上画个以该边为边长的正方形,这四个正方形面积和是68那么长方形的面积是
数学人气：545 ℃时间：2019-10-14 02:23:25
优质解答
68/2=34 34=25+9 16/2=8 设长X 宽Y X+Y=8 X*X+Y*Y=34 故长方形变长为5和3,
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