1 |
3 |
1 |
4 |
1 |
3 |
1 |
4 |
5 |
3 |
5 |
4 |
35 |
12 |
2 |
3 |
x |
4 |
2 |
3 |
x |
4 |
2 |
3 |
1 |
4 |
2 |
3 |
x |
4 |
2 |
3 |
1 |
6 |
x |
16 |
1 |
2 |
x |
16 |
1 |
3 |
x |
4 |
1 |
2 |
x |
16 |
1 |
3 |
x |
4 |
8 |
15 |
x-1 |
0.2 |
x+1 |
0.5 |
1 |
2 |
x |
1×2 |
x |
2×3 |
x |
3×4 |
x |
2005×2006 |
A.3x+x=5+1 | B.3x-x=-5-1 | C.1-5=-3x+x | D.3x+x=5-1 |
2x+1 |
3 |
5x-1 |
6 |
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