—个长方形周长是88厘米,如果它的宽增加25%,长减少1/7,周长不变,求这个长方形的面积。( ) A. 448cm2 B. 468cm2 C. 480...

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问题 —个长方形周长是88厘米,如果它的宽增加25%,长减少1/7,周长不变,求这个长方形的面积。( ) A. 448cm2 B. 468cm2 C. 480cm2 D. 484cm2
选项
答案 A
解析 设长方形长a,宽为b,则有:

相关内容:长方形,周长,88厘米,面积,448cm2,468cm2,480...

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