x+3 |
(x-2)2 |
A |
x-2 |
B |
(x-2)2 |
x+3 |
(x-2)2 |
A |
x-2 |
B |
(x-2)2 |
A(x-2)+B |
(x-2)2 |
3 |
1+a |
6 |
1-a |
12 |
a2-1 |
3x-4 |
x2-3x+2 |
1 |
R |
1 |
R1 |
1 |
R2 |
A.
| B.R1+R2 | ||
C.
| D.以上结果均不对 |
x2 |
1+x2 |
1 |
1+1 |
1 |
2 |
1 |
2 |
1 |
2 |
1 |
3 |
1 |
x |
b |
a |
a |
b |
a |
ab2 |
b |
a2b |
1 |
a-b |
1 |
a+b |
1 |
m-2 |
x |
x-y |
x |
y |
m-15 |
m2-9 |
3 |
3+m |
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