3 |
4 |
A.6.25 | B.0.25 | C.-2.25 | D.-4 |
3 |
4 |
3 |
4 |
3 |
4 |
1 |
4 |
A.(-3xn+1ynz)÷(-3xn+1ynz)=0 | ||||
B.(3x2y-6xy)÷6xy=
| ||||
C.(15x2y-10xy2)÷(-5xy)=3x-2y | ||||
D.(3xn+2+xn+1-
|
A.(x+y)5÷(x+y)=x4+y4 | B.-x5÷(-x)3=x5 |
C.(-x8)÷(-x)3=x5 | D.(x-1)6÷(x-1)2=(x-1)3 |
A.4x3y÷2x2y=2x | B.-12x4y3÷2x2y=6x2y2 | ||||||
C.-16x2yz÷
| D.(-
|
A.a3÷a=a2 | B.(2x)3÷2x=x2 |
C.(-x)6÷(-x)3=x3 | D.x10÷(-a2)3=a4 |
© 2017-2019 超级试练试题库,All Rights Reserved.