题目内容
| 下列判断中正确的个数是( ) (1)所含字母相同,次数也相同的项叫同类项; (2)0.5a2bc3与-0.5a2bc3两项是同类项; (3)-
(4)-1和
(5)2x3y4与3x4y3是同类项; (6)
|
试题答案
A
相关题目
下列判断中正确的个数是( )
(1)所含字母相同,次数也相同的项叫同类项;
(2)0.5a2bc3与-0.5a2bc3两项是同类项;
(3)-
mn与3nm是同类项;
(4)-1和
是同类项;
(5)2x3y4与3x4y3是同类项;
(6)
与
是同类项.
(1)所含字母相同,次数也相同的项叫同类项;
(2)0.5a2bc3与-0.5a2bc3两项是同类项;
(3)-
| 3 |
| 5 |
(4)-1和
| 2 |
| 3 |
(5)2x3y4与3x4y3是同类项;
(6)
| 1 |
| m-n |
| -3 |
| m-n |
| A、3 | B、4 | C、5 | D、6 |
下列判断中正确的个数是( )
(1)所含字母相同,次数也相同的项叫同类项;
(2)0.5a2bc3与-0.5a2bc3两项是同类项;
(3)-
mn与3nm是同类项;
(4)-1和
是同类项;
(5)2x3y4与3x4y3是同类项;
(6)
与
是同类项.
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(1)所含字母相同,次数也相同的项叫同类项;
(2)0.5a2bc3与-0.5a2bc3两项是同类项;
(3)-
| 3 |
| 5 |
(4)-1和
| 2 |
| 3 |
(5)2x3y4与3x4y3是同类项;
(6)
| 1 |
| m-n |
| -3 |
| m-n |
| A.3 | B.4 | C.5 | D.6 |