12xy |
5a |
a2-1 |
a2+4a+4 |
a+1 |
a+2 |
12 |
m2-9 |
2 |
m-3 |
x+2 |
x2-2x |
x-1 |
x2-4x+4 |
x-4 |
x |
12 |
(m+3)(m-3) |
2(m+3) |
(m+3)(m-3) |
12xy |
5a |
1 |
8x2y |
3 |
10ax |
(a+1)(a-1) |
(a+2)2 |
a+2 |
a+1 |
a-1 |
a+2 |
12 |
(m+3)(m-3) |
2(m+3) |
(m+3)(m-3) |
12-2(m+3) |
(m+3)(m-3) |
-2(m-3) |
(m+3)(m-3) |
2 |
m+3 |
x+2 |
x(x-2) |
x-1 |
(x-2)2 |
x |
x-4 |
(x+2)(x-2)-x(x-1) |
x(x-2)2 |
x |
x-4 |
x-4 |
x(x-2)2 |
x |
x-4 |
1 |
x2-4x+4 |
科目:初中數(shù)學(xué) 來源: 題型:解答題
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