题目内容
单项式-
y3x2z与24x5y的积为( )
| 1 |
| 8 |
| A.-4x7y4z | B.-4x7y4 | C.-3x7y4z | D.3x7y4z |
-
y3x2z•24x5y=(-
×24)x2+5y3+1z=-3x7y4z,
故选C.
| 1 |
| 8 |
| 1 |
| 8 |
故选C.
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题目内容
| 1 |
| 8 |
| A.-4x7y4z | B.-4x7y4 | C.-3x7y4z | D.3x7y4z |
| 1 |
| 8 |
| 1 |
| 8 |