A.
| B.2x2+3x3=5x3 | ||
C.3x•5x=15x | D.(x2y)2=x4y2 |
4 |
A.a2•a3=a6 | B.
| C.(-2a2)3=-8a6 | D.
|
A.a3•a2=a6 | B.(π-3.14)0=1 | C.(
| D.
|
A.a2•a2=2a4 | B.(2a)2=4a2 | C.30+3-1=-3 | D.
|
A.2ab+3ab=5a2b2 | B.a2•a2=a6 | ||||||||
C.a-2=
| D.
|
A.2a3+5a2=7a5 | B.3
| ||||||
C.(-x2)•(-x3)=-x5 | D.(
|
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