2ax+3 |
a-x |
3 |
4 |
A.1 | B.3 | C.-1 | D.-3 |
2a+3 |
a-1 |
3 |
4 |
2 |
x+1 |
3 |
x-1 |
6 |
x2-1 |
A.方程两边分式的最简公分母是x2-1 |
B.方程两边都乘以(x2-1),得整式方程2(x-1)+3(x+1)=6 |
C.解这个整式方程得:x=1 |
D.原方程的解为x=1 |
1 |
x |
5 |
x+3 |
x-3 |
x-2 |
3 |
2-x |
x-3 |
x-1 |
m |
x-1 |
A.-1 | B.-2 | C.1 | D.2 |
x |
x-3 |
3 |
x-3 |
A.0 | B.-1 | C.3 | D.1 |
x-1 |
x |
3x |
x-1 |
x-1 |
x |
A.y2+y-3=0 | B.y2-3y+1=0 | C.3y2-y+1=0 | D.3y2-y-1=0 |
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