1 |
2 |
4 |
5 |
1 |
12 |
1 |
3 |
1 |
3 |
1 |
2 |
4 |
5 |
9 |
4 |
5 |
9 |
1 |
12 |
1 |
3 |
1 |
3 |
1 |
12 |
1 |
3 |
1 |
12 |
4 |
3 |
1 |
12 |
1 |
3 |
1 |
4 |
A.
| B.-2(x-3y)=-2x+6y | ||
C.16y2-7y2=9 | D.4÷(2+1)=4÷2+4÷1 |
1 |
3 |
3 |
5 |
1 |
2 |
2 |
3 |
7 |
9 |
5 |
6 |
3 |
18 |
4 |
3 |
9 |
2 |
5 |
19 |
3 |
26 |
23 |
26 |
14 |
19 |
3 |
4 |
5 |
9 |
7 |
12 |
1 |
36 |
1 |
2 |
4 |
11 |
1 |
24 |
3 |
8 |
1 |
6 |
3 |
4 |
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