( ) |
( ) |
9 |
()() |
()() |
()() |
3 |
6 |
9 |
18 |
27 |
54 |
A.a2•a3=a6 | B.a2÷a3=a | C.
| D.a-2=
|
A.a2•a3=a5 | B.(a2)3=a5 | C.
| D.a5+a5=a10 |
A.x3+x3=x6 | B.
| C.(x•y3)2=xy6 | D.y5÷y2=y3 |
A.(a3)2=a5 | B.-2x-3=-
| ||
C.3a2•2a3=6a6 | D.a5÷a3=a2(a≠0) |
A.(-3)-2=
| B.(
| ||||
C.am÷an=am•a-n; | D.(-3)-2=6 |
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