6²-x²=5²-(5-x)²

学习 时间:2026-08-23 09:11:57 阅读:946
6²-x²=5²-(5-x)²

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香蕉铃铛

辛勤的紫菜

2026-08-23 09:11:57

36-x^2=25-(x^2-10x+25)36-x^2=-x^2+10x36=10xx=3。6