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230问答网 > 一元二次不等式大于和大于等于（小于和小于等于）的区别？

一元二次不等式大于和大于等于（小于和小于等于）的区别？

2025-03-26 19:26:23

推荐回答（1个）

回答1：

x²-7x+6>0和x²-7x+6≥0的解法没有什么不同。只是所有的大于号都改成大于等于号。
-3x²+6x≥2 把2变号后从右边移到左边，
-3x²+6x-2≥0 两边同乘-1的同时不等号改变方向。
3x²-6x+2≤0 你的小于号是错的。

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