a2b2c2 |
a3+b3+c3 |
1 |
a3 |
1 |
b3 |
1 |
c3 |
a2b2c2 |
a3+b3+c3 |
1 |
a3 |
1 |
b3 |
1 |
c3 |
a2b2c2 |
a3+b3+c3 |
b3c3+a3c3+a3b3 |
a3b3c3 |
a2b2c2 |
a3+b3+c3 |
b3c3+b6+a3b3 |
a3b3c3 |
1 |
a3+b3+c3 |
b3(c3+b3+a3) |
abc |
b3 |
abc |
abc |
abc |
1 |
x |
1 |
y |
2x+3xy-2y |
x-2xy-y |
1 |
1+a |
1 |
a-1 |
2 |
-1-a2 |
-4a2 |
a4+1 |
x+1 |
x2-1 |
a |
b |
2 |
3 |
a-b+1 |
a+b-5 |
A.0 | B.
| C.-
| D.没有意义 |
a |
b |
c |
d |
5 |
7 |
a+c |
b+d |
A.
| B.
| C.
| D.
|
© 2017-2019 超级试练试题库,All Rights Reserved.