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 |
a+b |
2 |
ab |
2
| ||
a+b |
ab |
2ab |
a+b |
a+b |
2 |
ab |
2ab |
a+b |
1 |
2 |
a+b |
2 |
ab) |
2ab |
a+b |
1 |
a |
1 |
b |
A.①③ | B.②④ | C.①④ | D.②③ |
A.2只笔贵 | B.3本书贵 | C.二者相同 | D.无法确定 |
A.a>b>c | B.c>b>a | C.b>c>a | D.b>a>c |
A.xy>yz | B.xz>yz | C.xy>xz | D.x|y|>z|y| |
A.ab>ac | B.ac>bc | C.a|b|>c|b| | D.a2>b2>c2 |
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