题目内容
计算(-2a3+3a2-4a)(-5a5)等于( )
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试题答案
D
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计算(-2a3+3a2-4a)(-5a5)等于( )
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| A.10a15-15a10+20a5 | B.-7a8-2a7-9a6 |
| C.10a8+15a7-20a6 | D.10a8-15a7+20a6 |
计算(﹣2a3+3a2﹣4a)(﹣5a5)等于( )
| A.10a15﹣15a10+20a5 | B.﹣7a8﹣2a7﹣9a6 |
| C.10a8+15a7﹣20a6 | D.10a8﹣15a7+20a6 |
计算(﹣2a3+3a2﹣4a)(﹣5a5)等于( )
A.10a15﹣15a10+20a5 B.﹣7a8﹣2a7﹣9a6
C.10a8+15a7﹣20a6 D.10a8﹣15a7+20a6
查看习题详情和答案>>
计算(﹣2a3+3a2﹣4a)(﹣5a5)等于( )
| A.10a15﹣15a10+20a5 | B.﹣7a8﹣2a7﹣9a6 |
| C.10a8+15a7﹣20a6 | D.10a8﹣15a7+20a6 |