1 |
2 |
a+b |
2 |
ab |
2ab |
a+b |
A.A≤G≤H | B.A≤H≤G | C.G≤H≤A | D.H≤G≤A |
a+b |
2 |
ab |
2ab |
a+b |
1 |
2 |
a+b |
2 |
ab |
2ab |
a+b |
a+b |
a+b+2 |
a |
a+2 |
b |
b+2 |
A.a>c>b | B.a>b>c | C.b>a>c | D.b>c>a |
A.c<a<d<b | B.c<d<a<b | C.a<c<b<d | D.a<b<c<d |
1 |
2 |
a+b |
2 |
ab) |
2ab |
a+b |
A.A≤G≤H | B.A≤H≤G | C.H≤G≤A | D.G≤H≤A |
1 |
a |
1 |
b |
A.①③ | B.②④ | C.①④ | D.②③ |
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