1 |
x2+3x |
x2-x-6 |
x2-9 |
x2+2x+1 |
x+3 |
1 |
x |
1 |
x |
1 |
x2+3x |
x2-x-6 |
x2-9 |
x2+2x+1 |
x+3 |
1 |
x(x+3) |
(x-3)(x+2) |
(x+3)(x-3) |
(x+1)2 |
x+3 |
1 |
x(x+3) |
x(x+2) |
x(x+3) |
x+3 |
(x+1)2 |
(x+1)2 |
x(x+3) |
x+3 |
(x+1)2 |
1 |
x |
1 |
x |
科目:初中數(shù)學 來源: 題型:
x+1 |
x2-x |
x |
x2-2x+1 |
1 |
x |
2 |
x-3 |
x+3 |
2x |
x2-9 |
3 |
4-x |
x-2 |
12 |
x-2 |
3 |
x-3 |
2x-4 |
5 |
x-2 |
3 |
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科目:初中數(shù)學 來源: 題型:
x2-9 |
x2+6x+9 |
3x3+9x2 |
x2-3x |
1 |
3 |
2x |
x3+2x2+x |
x-1 |
x2+x |
4x2-1 |
2-4x |
4x2+4x+1 |
x |
1 |
4 |
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