1 |
1×3 |
1 |
2 |
1 |
3 |
1 |
3×5 |
1 |
2 |
1 |
3 |
1 |
5 |
1 |
5×7 |
1 |
2 |
1 |
5 |
1 |
7 |
1 |
1×3 |
1 |
3×5 |
1 |
5×7 |
1 |
2 |
1 |
3 |
1 |
2 |
1 |
3 |
1 |
5 |
1 |
2 |
1 |
5 |
1 |
7 |
1 |
2 |
1 |
3 |
1 |
3 |
1 |
5 |
1 |
5 |
1 |
7 |
1 |
2 |
1 |
7 |
3 |
7 |
1 |
x(x+3) |
1 |
(x+3)(x+6) |
1 |
(x+6)(x+9) |
1 |
a(a+1) |
1 |
(a+1)(a+2) |
1 |
(a+2)(a+3) |
1 |
(a+2006)(a+2007) |
1 |
3 |
1 |
x |
1 |
x+3 |
1 |
2 |
1 |
x+3 |
1 |
x+6 |
1 |
3 |
1 |
x+6 |
1 |
x+9 |
1 |
x |
1 |
x+3 |
1 |
x+3 |
1 |
x+6 |
1 |
x+6 |
1 |
x+9 |
1 |
3 |
x+9-x |
x(x+9) |
3 |
x(x+9) |
1 |
a |
1 |
a+1 |
1 |
2 |
1 |
a+1 |
1 |
a+2 |
1 |
a+2 |
1 |
a+3 |
1 |
a+2006 |
1 |
a+2007 |
1 |
a |
1 |
a+1 |
1 |
a+1 |
1 |
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1 |
a+2 |
1 |
a+3 |
1 |
a+2006 |
1 |
a+2007 |
a+2007-a |
a(a+2007) |
2007 |
a(a+2007) |
科目:初中數(shù)學 來源: 題型:閱讀理解
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科目:初中數(shù)學 來源: 題型:閱讀理解
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科目:初中數(shù)學 來源: 題型:解答題
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科目:初中數(shù)學 來源:不詳 題型:解答題
1 |
1×3 |
1 |
2 |
1 |
3 |
1 |
3×5 |
1 |
2 |
1 |
3 |
1 |
5 |
1 |
5×7 |
1 |
2 |
1 |
5 |
1 |
7 |
1 |
1×3 |
1 |
3×5 |
1 |
5×7 |
1 |
2 |
1 |
3 |
1 |
2 |
1 |
3 |
1 |
5 |
1 |
2 |
1 |
5 |
1 |
7 |
1 |
2 |
1 |
3 |
1 |
3 |
1 |
5 |
1 |
5 |
1 |
7 |
1 |
2 |
1 |
7 |
3 |
7 |
1 |
x(x+3) |
1 |
(x+3)(x+6) |
1 |
(x+6)(x+9) |
1 |
a(a+1) |
1 |
(a+1)(a+2) |
1 |
(a+2)(a+3) |
1 |
(a+2006)(a+2007) |
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