下列各组中,属于同类项的是( )
A.x与y | B.2a2b与2ab2 | C.abc与ac | D.2mn与﹣3nm |
更新时间:2018-02-10 07:43:08
|
【知识点】 同类项
相似题推荐
单选题
|
适中
(0.65)
【推荐1】若
与
可以合并成一项,则mn的值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92375908902e7fe001dc421c08f9671f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8eecb2d67000efc5fffc73ad0d7b16c.png)
A.2 | B.0 | C.-1 | D.1 |
您最近一年使用:0次
单选题
|
适中
(0.65)
【推荐2】给出如下结论:
如果
,那么
当
时,代数式
的值为
化简
的结果是
若单项式
与
的差仍是单项式,则
其中正确的结论有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e1c9ae241fd78126274c65e17990c88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9da723e05031fc98a955989e23a0b164.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/073779ef493ef746495f5da6e48ab24f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/569899bd4086664523842bc218bb110e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f03cd478c5006f58e827c5330241340.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfa57b02a178ddc7487d3a372f4efb11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/179ee772efc7ca28d8ffd06a16ce92dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08df895ab8f8643c73173ecac7e34453.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f127162fe374acbaf472002dcd8cead8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70db4bf3ecf9258e0469ea1f50b3fbe0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d35abc7cd45ad6d8e6d5fe55c853463.png)
A.1个 | B.2个 | C.3个 | D.4个 |
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