3 |
x |
2x+1 |
x+1 |
1 |
x |
3 |
x |
3 |
x |
3 |
x |
3 |
x |
3 |
x-2 |
3 |
x |
3 |
x-2 |
2x+1 |
x+1 |
1 |
x+1 |
1 |
x |
2x+1 |
x+1 |
3 |
x-2 |
3 |
2 |
2b-3 |
b |
3 |
2 |
2b-3 |
b |
3 |
2 |
2b-3 |
b |
3 |
2 |
3 |
2 |
3 |
x-2 |
3 |
x-2 |
A.1个 | B.2个 | C.3个 | D.4个 |
a+b |
c |
b+c |
a |
a+c |
b |
A.第1,2,3象限 | B.第2,3象限 |
C.第2,3,4象限 | D.第2,4象限 |
A.y=3x-2 | B.y=3(x-2) | C.y=3x+2 | D.y=3(x+2) |
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