3 |
3 |
A.a=b<c | B.a=b>c | C.a<b<c | D.a>b>c |
3 |
3 |
3 |
9 | ||
|
3 |
1 |
a |
1 |
b |
b |
a |
a |
b |
A.①② | B.①④ | C.②③ | D.③④ |
A.M>N | B.M≥N | C.M<N | D.M≤N |
A.a4+b4<c4+h4 | B.a4+b4>c4+h4 |
C.a4+b4=c4+h4 | D.不能确定 |
A.a2<b2 | B.a2<ab | C.
| D.
|
y |
2x |
1 |
4 |
| ||
2 |
1 |
2 |
5 |
8 |
4x |
x2-4 |
2 |
x-2 |
1 |
x+2 |
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