1 |
2 |
11 |
5 |
2x-1 |
3 |
10x+1 |
12 |
2x+1 |
4 |
1 |
2 |
1 |
2 |
2 |
3 |
x |
y |
z |
x |
A.-
| B.-
| C.
| D.
|
1 |
2 |
11 |
5 |
1 |
2 |
2x-1 |
3 |
10x+1 |
12 |
2x+1 |
4 |
1 |
2 |
11 |
5 |
1 |
2 |
1 |
2 |
2 |
3 |
11 |
5 |
x |
y |
z |
x |
| ||
8 |
| ||
|
1 |
16 |
22 |
5 |
347 |
80 |
A.1 | B.-1 | C.5 | D.-5 |
A.m<
| B.m>
| C.m<4 | D.m>4 |
A.x=0或x=1 | B.x=1 | C.x=2 | D.x=1或x=2 |
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