x2-4x |
x2-1 |
(x-4)(x2+x) |
x2+2x+1 |
3x-1 |
x-1 |
3x |
x-1 |
3 |
x-1 |
x2-4x |
x2-1 |
x2+2x+1 |
(x-4)(x2+x) |
3x-1 |
x-1 |
x(x-4) |
(x-1)(x+1) |
(x+1)2 |
x(x-4)(x+1) |
3x-1 |
x-1 |
1+3x-1 |
x-1 |
3x |
x-1 |
|
3x |
x-1 |
3(x-1)+3 |
x-1 |
3 |
x-1 |
3 |
x-1 |
科目:初中數(shù)學(xué) 來源: 題型:
x-2 |
x+2 |
4x |
x2-4 |
1 |
x2-4 |
3 |
1 |
x-3 |
6 |
x2-9 |
x-1 |
6+2x |
x2-6x+9 |
2x+6 |
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