1 |
8 |
1 |
8 |
1 |
8 |
1 |
8 |
1 |
8 |
1 |
8 |
A.-22=4 | B.(-
| ||||
C.a6•a3=a18 | D.2a2b-ab2=a2b |
32 |
3 | 16 |
3 | 2 |
A.(am+2)m | B.(am•a2)m | C.am2+m2 | D.(am)3•(am-1)m |
A.x2007+x2008=x4015 | B.20070=0 | ||||
C.(-
| D.(-a)•(-a)2=-a3 |
A.-a2=|-a2| | B.2a-2=
| ||||
C.
| D.2a2•(-3a3)=-6a5 |
© 2017-2019 超级试练试题库,All Rights Reserved.