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(-4)2=-16 (
a2+a4=a6 2a+3b=5ab (a2)3=a6 a6÷a3=a2
3a+4b=7ab (ab3)3=ab6 (a+2)2=a2+4 x12÷x6=x6
x2y-2xy2=-x2y 2a+3b=5ab -3ab-3ab=-6ab a3+a2=a5
3x-5x=2x 3x2+x=4x3 -7a+4b=-11ab -3ab2-ab2= -4ab
2a+3b=5ab (x+2)2=x2+4 (ab3)2=ab6 (﹣1)0=1
3a﹣a=2 ﹣42=﹣16 3a+b=3ab ﹣5﹣2=﹣3
5a2b﹣4a2b=a2b 2b2+3b3=5b5 6a3﹣2a3=4 a+b=ab
x4•x4=x16 (a3)2=a5 (ab2)3=ab6 a+2a=3a
x2y﹣2xy2=﹣x2y 2a+3b=5ab a3+a2=a5 ﹣3ab﹣3ab=﹣6ab
2+a=2a 2a﹣3a=1 3a+2b=5ab 5ab﹣ab=4ab
x2y﹣2xy2=﹣x2y 2a+3b=5ab a3+a2=a5 ﹣3ab﹣3ab=﹣6ab
a-(3b-a)=-3b a+a4=a5 a6÷a2=a3 (ab3)2=a2b6
3a+4b=7ab (ab3)2=ab6 (a+2)2=a2+4 x12÷x6=x6
2+a=2a 2a﹣3a=﹣1 (﹣a)2•a3=a5 8ab÷4ab=2ab
x4·x4=x16 (a3)2=a5 (ab2)3=ab6 a+2a=3a
x4•x4=x16 (a3)2=a5 (ab2)3=ab6 a+2a=3a
2a+3b=5ab (﹣1)0=1 (ab3)2=ab6 (x+2)2=x2+4
3a-2a=l a2 +a5 =a7 (ab)3一ab3 a2· a4 =a6
3a-a=2 -42=-16 3a+b=3ab -5-2=-3