用反证法证明命题:“如果
,
可被3整除,那么
,
中至少有一个能被3整除”时,假设的内容应为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6df88793c2971fc0e4c7c545740563a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18f0281e6bbdbe08beeccb55adf84536.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
更新时间:2021-09-14 21:11:54
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