题目内容
| 1 |
| 2007 |
| 1 |
| 2007 |
| 1 |
| 2007 |
| A.加法结合律 | B.乘法结合律 | C.乘法分配律 | D.乘法交换律 |
因
×(2006+1)=
2006+
×.所以
×2006+
=
×(2006+1),
故选:C.
| 1 |
| 2007 |
| 1 |
| 2007 |
| 1 |
| 2007 |
| 1 |
| 2007 |
| 1 |
| 2007 |
| 1 |
| 2007 |
故选:C.
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题目内容
| 1 |
| 2007 |
| 1 |
| 2007 |
| 1 |
| 2007 |
| A.加法结合律 | B.乘法结合律 | C.乘法分配律 | D.乘法交换律 |
| 1 |
| 2007 |
| 1 |
| 2007 |
| 1 |
| 2007 |
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| 2007 |
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| 2007 |
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| 2007 |