(a+b+c)3 |
abc |
(b-c-a)3 |
abc |
(c-a-b)3 |
abc |
(a-b-c)3 |
abc |
(a+b+c) 3 |
abc |
(b-c-a) 3 |
abc |
(c-a-b) 3 |
abc |
(a-b-c) 3 |
abc |
[(a+b+c) 3+(b-c-a) 3] |
abc |
[(c-a-b) 3+(a-b-c) 3] |
abc |
2b(3a 2+b 2+3c 2+6ac) |
abc |
2b(3a 2+b 2+3c 2-6ac) |
abc |
24abc |
abc |
(a+b+c) 3 |
abc |
(b-c-a) 3 |
abc |
(c-a-b) 3 |
abc |
(a-b-c) 3 |
abc |
1 |
n |
1 |
p |
1 |
m |
1 |
p |
1 |
m |
1 |
n |
a4+ma2+1 |
3a3+ma2+3a |
3 |
x+y |
4 |
y+z |
5 |
z+x |
x2+y2+z2 |
xy+yz+zx |
1 |
6 |
21-5m |
m2-9 |
m |
m2-9 |
m |
m+3 |
m-3 |
m+3 |
A.-1 | B.-
| C.
| D.1 |
© 2017-2019 超级试练试题库,All Rights Reserved.