2 |
5 |
2 |
5 |
2 |
5 |
3 |
5 |
3 |
5 |
2 |
5 |
A.a<b<c | B.b<a<c | C.c<a<b | D.b<c<a |
2 |
5 |
2 |
5 |
2 |
5 |
2 |
5 |
3 |
5 |
2 |
5 |
3 |
5 |
2 |
5 |
3 |
5 |
2 |
5 |
2 |
5 |
2 |
5 |
A.b<c<a | B.b<a<c | C.c<a<b | D.c<b<a |
b |
a2+4b2 |
a |
c2 |
b |
c2 |
1 |
a |
1 |
b |
1 |
a |
1 |
b |
1 |
1-a |
A.1 | B.2 | C.3 | D.4 |
A.M≥N | B.M≤N | C.M=N | D.不能确定 |
x |
y |
x+y |
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