1 |
3 |
2 |
7 |
2 |
3 |
1 |
24 |
1 |
3 |
2 |
7 |
2 |
3 |
1 |
24 |
1 |
3 |
189 |
50 |
7 |
9 |
5 |
3 |
97 |
24 |
16 |
5 |
189 |
50 |
7 |
9 |
5 |
3 |
1 |
3 |
97 |
24 |
16 |
5 |
189 |
50 |
7 |
9 |
5 |
3 |
7 |
5 |
189 |
50 |
7 |
9 |
21 |
25 |
7 |
9 |
147 |
50 |
3 |
10 |
2x+4 |
2 |
1 |
4 |
A.由7x=6x-4,得7x-6x=-4 | ||
B.由
| ||
C.由x-(3-2x)=5,得x-3+2x=5 | ||
D.由3x=2,得x=
|
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