a2+b2 |
(a+b)2 |
A.4 | B.2 | C.1/4 | D.1/2 |
(a+b)2 |
2 |
a2+b2 |
(a+b)2 |
| ||
(a+b)2 |
1 |
2 |
1 |
2 |
A.5
| B.5
| C.5
| D.5
|
A.a2>b2 | B.
| ||
C.lg(a-b)>lg
| D.3-a<3-b |
17 |
5 |
A.a>b>c | B.a>c>b | C.b>a>c | D.c>b>a |
1 |
2 |
t+1 |
2 |
A.a<b+c | B.a>c-b | C.|a|<|b|+|c| | D.|a|>|b|-|c| |
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