9 |
2 |
A.a(2a+b)=2ab+b | B.x6÷x2=x4 |
C.(a+b)2=a2+b2 | D.53÷53=5 |
A.(x3)2=x5 | B.a2+a3=a5 |
C.a6÷a2=a3 | D.(-bc)3÷(-bc)2=-bc |
A.2a+3b=5ab | B.3a-3=
| ||
C.(-x)-5•x-3=x-8 | D.a8÷a2=a6 |
A.a2•a3=a6 | B.(-3a2b)2=6a4b2 |
C.(-x)3-(xy)2=-x3y2 | D.a5÷a3+a2=2a2 |
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