| 1 |
| 1×2 |
| 1 |
| 2 |
| 1 |
| 2×3 |
| 1 |
| 2 |
| 1 |
| 3 |
| 1 |
| 3×4 |
| 1 |
| 3 |
| 1 |
| 4 |
| 1 |
| 1×2 |
| 1 |
| 2×3 |
| 1 |
| 3×4 |
| 1 |
| 2 |
| 1 |
| 2 |
| 1 |
| 3 |
| 1 |
| 3 |
| 1 |
| 4 |
| 1 |
| 4 |
| 1 |
| 4 |
| 1 |
| n(n+1) |
| 1 |
| ab |
| 1 |
| (a+1)(b+1) |
| 1 |
| (a+2)(b+2) |
| 1 |
| (a+2013)(b+2013) |
| 1 |
| 2×4 |
| 1 |
| 4×6 |
| 1 |
| 6×8 |
| 1 |
| 2012×2014 |
| 1 |
| n(n+1) |
| 1 |
| n |
| 1 |
| n+1 |
| 1 |
| n |
| 1 |
| n+1 |
| 1 |
| 1×2 |
| 1 |
| 2×3 |
| 1 |
| 2014×2015 |
| 1 |
| 2 |
| 1 |
| 2 |
| 1 |
| 3 |
| 1 |
| 2014 |
| 1 |
| 2015 |
| 1 |
| 2015 |
| 2014 |
| 2015 |
| 1 |
| 2 |
| 1 |
| 2 |
| 1 |
| 4 |
| 1 |
| 4 |
| 1 |
| 6 |
| 1 |
| 2012 |
| 1 |
| 2014 |
| 1 |
| 2 |
| 2012 |
| 2014 |
| 1006 |
| 4028 |
科目:初中数学 来源: 题型:
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科目:初中数学 来源: 题型:
| A、∠A=∠C,AD∥BC |
| B、AB∥CD,AD=BC |
| C、∠B=∠C,∠A=∠D |
| D、∠A=∠C,AD=BC |
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