1 |
8 |
1 |
2 |
1 |
3 |
1 |
3 |
1 |
9 |
1 |
6 |
1 |
3 |
1 |
2 |
1 |
4 |
1 |
10 |
1 |
8 |
1 |
2 |
1 |
3 |
1 |
3 |
1 |
9 |
1 |
3 |
1 |
6 |
1 |
3 |
1 |
2 |
1 |
4 |
1 |
10 |
1 |
6 |
4 |
5 |
4 |
3 |
A.
| B.
| C.
| D.1<
|
A.(-ab)2=2a2b2 | B.(a+b)2=a2+1 | C.a6÷a2=a3 | D.2a3+a3=3a3 |
A.x•x4=x5 | B.x6÷x3=x2 | C.3x2-x2=3 | D.(2x2)3=6x6 |
A.x8÷x4=x2 | B.a5÷a=a5 |
C.y3÷y=y2 | D.(-x)4÷(-x)2=-x2 |
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