A.a5+a5=a10 | B.a4-a4=a0 | C.a6×a4=a24 | D.a0÷a-1=a |
7 |
9 |
5 |
6 |
3 |
4 |
7 |
18 |
1 |
36 |
A.98 | B.3.6 | C.-5 | D.10.8 |
A.x2 | B.2x2 | C.2x6 | D.2x8 |
A.a3•a4=a12 | B.(-2a2b3)3=-2a6b9 |
C.a6÷a3=a3 | D.(a+b)2=a2+b2 |
A.2+
| B.a6÷a2=a3 | C.2-1=-2 | D.(-ab)3=-a3b3 |
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