1 |
ab |
1 |
(a+1)(b+1) |
1 |
(a+2)(b+2) |
1 |
(a+2011)(b+2011) |
1 |
1×2 |
1 |
2×3 |
1 |
3×4 |
1 |
2012×2013 |
1 |
2 |
1 |
2 |
1 |
3 |
1 |
2012 |
1 |
2013 |
1 |
2013 |
2012 |
2013 |
2012 |
2013 |
1 |
2 |
A.5-|-5|=10 | B.(-1)99=-99 |
C.-102=(-10)×(-10) | D.-(-22)=4 |
1 |
2 |
1 |
4 |
1 |
4 |
1 |
3 |
11 |
21 |
3 |
14 |
1 |
42 |
A.3.2 | B.-3.2 | C.±3.2 | D.以上都不对 |
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