a+2b |
a-3b |
a-3c |
a+2c |
8 |
7 |
b+c |
b-c |
a+6b-3c |
a+54b-37c |
a+2b |
a-3b |
a-3c |
a+2c |
8 |
7 |
a+6b-3c |
a+54b-37c |
a+6×2a-3×3a |
a+54×2a-37×3a |
y |
x |
2x-3xy-2y |
x-2xy-y |
x-1 |
x+1 |
2X |
x2-1 |
1 |
x2-1 |
2008 |
2008 |
2008 |
(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 |
© 2017-2019 超级试练试题库,All Rights Reserved.