A.79 | B.99 | C.100 | D.119 |
m-11y |
9 |
m-9x |
11 |
m-11y |
9 |
m |
9 |
11y |
9 |
m |
9 |
m-9x |
11 |
m |
11 |
9x |
11 |
m |
11 |
A.a6÷a3=a3 | B.(a2)3=a8 | C.(a-b)2=a2-b2 | D.a2+a2=a4 |
A.(-a3)2=-a6 | B.a6÷a2=a2 | C.3a3-2a3=a3 | D.
|
A.x3+x3=2x3 | B.a6÷a3=a2 | C.
| D.(
|
A.(2x2)3=8x6 | B.5a2b-2a2b=3 |
C.x6÷x2=x3 | D.(a-b)2=a2-b2 |
© 2017-2019 超级试练试题库,All Rights Reserved.