2 |
3 |
7 |
8 |
1 |
8 |
5 |
12 |
2 |
3 |
7 |
12 |
4 |
5 |
1 |
3 |
7 |
10 |
8 |
15 |
1 |
30 |
1 |
2 |
1 |
2 |
3 |
4 |
1 |
3 |
1 |
4 |
2 |
3 |
2 |
3 |
2 |
3 |
7 |
8 |
1 |
8 |
5 |
12 |
7 |
12 |
3 |
4 |
1 |
6 |
5 |
12 |
4 |
5 |
1 |
3 |
7 |
10 |
8 |
15 |
9 |
5 |
7 |
3 |
37 |
10 |
68 |
15 |
1 |
4 |
1 |
8 |
3 |
4 |
3 |
4 |
1 |
3 |
4 |
9 |
4 |
9 |
4 |
3 |
4 |
3 |
A.-7-2×5=(-7-2)×5 | B.3÷
| ||||||||
C.3÷
| D.-(-32)=9 |
1 |
3 |
A.-3 | B.87 | C.15 | D.69 |
1 |
6 |
5 |
6 |
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