用______ 将______ 和_____ 连接而成的式子,叫做代数式.
22-23七年级上·全国·课前预习 查看更多[1]
更新时间:2022-07-30 09:16:32
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【推荐1】已知下列各式:①
,②8,③
,④
,⑤
,⑥
,
⑦
,⑧
,⑨
,⑩
,其中代数式有_______ (填写序号).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33cd71ad57b7bd04c3fa74bd963a8c1b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d43ce7c852ffd312d4c87c17e6c4845.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dda8b535e30840b556643ed79d1b96e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8469d348cd31a3a1429e0828954d6164.png)
⑦
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86ebba6ed1add0fe647c0226614b9290.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fb31978918a3f8431cbc0f2ae4ac82a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/247ee91ff275169aa10ef104d580bdab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b9a9a734ab83a69bc2d02a3cd8884fb.png)
您最近一年使用:0次
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【推荐2】下列各式中:①2;②
;③
④
;⑤
,代数式的个数有______ 个.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/733bd6621c6d863ef1760fef359ff334.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f56a7de6880b080396bfd3f830e264d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ebfca5d354cde868ef6477d499263b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86ebba6ed1add0fe647c0226614b9290.png)
您最近一年使用:0次