9 是右下小三角形面积 -> 阴影部分是24。
我假设是个 10 X 6 的长方形 (特例)
9 是右下小三角形面积 -> 阴影部分是24。
我假设是个 10 X 6 的长方形 (特例)
•
24对啦, 但不能猜, 得给出推理过程
-进进出出250-
♂
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04/25/2025 postreply
18:28:39
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