在下列各题中,用符号“
”把
,
连起来.
(1)
实数
满足
,
或
;
(2)
,
且
;
(3)
,
;
(4)
是偶数,
是偶数(其中
,
都是整数).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d78077472091c2ae9dfb873b3290e827.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26df106c06599b36c5bcc47f854aaaa8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b601d0f382f898200928e025bdf1e622.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63446966ef3cb7c0dcb8e27db7d6d790.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba53065eb180a682305fddb95d14b62f.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf6aa6d68a207d4b22abb4c9c548edf5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/917f67c9cf98129977b0699742084979.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c41262a6e1d3b395fc74cf23c6da32b8.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6eae35ba985780d5edbd4c84b38b1df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2392a86113e5464e16fc48a141e6f0e7.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67dd34f4da3d8355ad4606dbb0a03e55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9785b922662c11137b0f6b036c030d77.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
更新时间:2020-06-25 17:23:26
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【推荐1】判断下列语句是否是命题,若是,判断其真假,并说明理由.
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您最近一年使用:0次
解答题-问答题
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(0.94)
【推荐2】判断下列语句是否是命题,并说明理由.
(1)
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(4)一个数的算术平方根一定是负数.
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d88591679796c52024d11c4de641bdb.png)
(2)3x2≤5;
(3)梯形是不是平面图形呢?
(4)一个数的算术平方根一定是负数.
您最近一年使用:0次