0.5x-0.1 |
0.2 |
0.5x+0.1 |
0.6 |
1 |
2 |
1 |
3 |
1 |
2 |
1 |
2 |
1.5x-0.3 |
0.6 |
0.5x+0.1 |
0.6 |
1.5x-0.3-0.5x-0.1 |
0.6 |
1 |
3 |
1 |
2 |
5m-1 |
3 |
7-m |
2 |
他-3 |
2 |
4他+1 |
0 |
A.由2x+3x=7+8,得5x=15 | ||
B.由3x-4=5x+3,得3x+5x=3+4 | ||
C.由-2x=-3,得x=-
| ||
D.由-2x=-3,得x=
|
1 |
2 |
3a+x |
3 |
A.
| B.1 | C.
| D.0 |
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