A.-a<-b | B.
| C.|a|<|b| | D.a2>b2 |
1 |
a |
1 |
b |
a-b |
ab |
1 |
a |
1 |
b |
1 |
a |
1 |
b |
1 |
x |
3.85 |
-2.57 |
1534 |
1023 |
487 |
325 |
267 |
178 |
A.d<c<b<a | B.d<b<c<a | C.b<c<c<<<d | D.D<a<c<b |
31994+1 |
31995+1 |
31995+1 |
31996+1 |
A.m=n | B.m>n | C.m<n | D.不能确定 |
3 |
4 |
1 |
2 |
a |
b |
A.1250 | B.0 | C.0.1 | D.800 |
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