也可以根據圖和麵積已知量,列個二元一次方程組,參考前麵(後院有樹)寫的詳細過程。
ab=4,
(a+b)b=7
也可以根據圖和麵積已知量,列個二元一次方程組,參考前麵(後院有樹)寫的詳細過程。
ab=4,
(a+b)b=7
• 理解了 -jianchi9090- ♀ (0 bytes) () 10/05/2024 postreply 14:37:55
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