2 |
3 |
3 |
8 |
1 |
3 |
3 |
4 |
2 |
3 |
1 |
3 |
2 |
3 |
3 |
8 |
1 |
3 |
3 |
4 |
2 |
3 |
1 |
3 |
3 |
8 |
3 |
4 |
1 |
8 |
1 |
8 |
2 |
3 |
1 |
3 |
4 |
9 |
1 |
3 |
9 |
4 |
3 |
4 |
1 |
4 |
3 |
4 |
7 |
12 |
7 |
6 |
1 |
7 |
A.3÷
| B.-32=-9 | C.3a+2b=5ab | D.3-2x=-(3+2x) |
A.0个 | B.1个 | C.2个 | D.3个 |
1 |
2 |
1 |
3 |
5 |
11 |
3 |
2 |
1 |
2 |
2 |
3 |
3 |
2 |
1 |
7 |
A.60 | B.90 | C.112 | D.69 |
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