x |
1+|x| |
x |
1+n|x| |
x |
1+x |
1+x-1 |
1+x |
1 |
1+x |
1 |
1+x |
x |
1-x |
(x-1)+1 |
1-x |
1 |
1-x |
1 |
x-1 |
1 |
1-x |
x |
1+|x| |
x |
1+2|x| |
x |
1+3|x| |
x |
1+n|x| |
A.ab2>a2b | B.
| C.
| D.a2<b2 |
x2 |
2 |
y2 |
m |
4 |
3 |
A.0 | B.1 | C.2 | D.3 |
n |
M |
AM |
n |
n |
A.1 | B.2 | C.3 | D.4 |
A.若p∨q为真命题,则p,q均为真命题 | ||||
B.命题“∃x0∈R,
| ||||
C.“-3<k<3”是“方程
| ||||
D.“直线与双曲线有唯一交点”是“直线与双曲线相切”的必要不充分条件 |
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