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a+a2=2a3 a2•a3=a6 (2a4)4=16a8 (-a)6÷a3=a3
6x3+1 6x3﹣3 6x3﹣3x2 6x3+3x2
6a-5a=1 5x-6x=11x m2-m=m x3+6x3=7x3
(a-b)2=a2-b2 (-a2)3= -a6 x2+x2=x4 3a3·2a2=6a6 。
2a•3a=6a (﹣a3)2=a6 6a÷2a=3a (﹣2a)3=﹣6a3
=SUM(C3,C6) =SUM(C3;C6) =SUM(C3C6) =SUM(C3:C6)
a2•a3=a6 (2a)•(3a)=6a (a2)3=a6 a6÷a2=a3