x+3 |
x+2 |
1 |
2sin60°+2cos45°+1 |
x-3 |
2x-4 |
5 |
x-2 |
| ||
2 |
| ||
2 |
3 |
2 |
x+3 |
x+2 |
1 | ||||
|
3 |
2 |
x-3 |
2x-4 |
5 |
x-2 |
x-3 |
2(x-2) |
5-(x+2)(x-2) |
x-2 |
x-3 |
2(x-2) |
x-2 |
9-x2 |
1 |
2(x+3) |
1 | ||||
2(-3-
|
| ||||
2 |
| ||||
2 |
1 |
a |
a4-2a2+1 |
a2 |
x2-1 |
x2-2x+1 |
x+2 |
3 |
1 |
1+a2 |
1 |
1+b2 |
4 |
x+2 |
3 |
2-x |
2 |
x2-4 |
x-1+y-1 |
1-x-1y-1 |
1 |
x+1 |
x+3 |
x2-1 |
x2-2x+1 |
x2+4x+3 |
1 |
2 |
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