1 |
22 |
1 |
32 |
1 |
42 |
1 |
20082 |
1 |
20092 |
1 |
2 |
1 |
2 |
1 |
3 |
1 |
3 |
1 |
4 |
1 |
4 |
1 |
2008 |
1 |
2008 |
1 |
2009 |
1 |
2009 |
1 |
2 |
3 |
2 |
2 |
3 |
4 |
3 |
3 |
4 |
2007 |
2008 |
2009 |
2008 |
2008 |
2009 |
2010 |
2009 |
1 |
2 |
2010 |
2009 |
1005 |
2009 |
|
A.3x+3y-5=3(x+y)-5 | B.(x+1)(x-1)=x2-1 | ||
C.x2-9=(x+3)(x-3) | D.x+1=x(x+
|
A.(4-x2)+(2x3-x4) | B.(4-x2-x4)+2x3 |
C.(4-x4)+(-x2+2x3) | D.(4-x2+2x3)-x4 |
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