AMC 8 1993 Problem 21
AMC8 1993 年第 21 题
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If the length of a rectangle is increased by 20% and its width is increased by 50%, then the area is increased by
如果矩形的长增加 20%，宽增加 50%，则面积增加了
- A.10%
- B.30%
- C.70%
- D.80%
- E.100%
正确答案 · Correct Answer
D
解析 · Solution
解析整理中
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