A.
| B.(-
| C.x6÷x3=x2 | D.(x3)2=x5 |
(-5) 2 |
1 |
4 |
A.x2‧x3=x6 | B.2x+3x=5x2 | C.(x2)3=x6 | D.x6÷x2=x3 |
A.2×107 | B.4×1014 | C.3.2×105 | D.3.2×1014 |
A.a5 | B.a-1 | C.a | D.a2 |
A.2x+x=x3 | B.(3x)2=6x2 | C.(x-2)2=x2-4 | D.x3÷x=x2 |
A.x+x=2x | B.2x-x=1 | C.(x3)3=x6 | D.x8÷x2=x4 |
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