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5xy﹣4xy=1 3x2+2x3=5x5 x2﹣x=x 3x2+2x2=5x2
2x2÷x2=2x (﹣a2b)3=﹣a6b3 3x2+2x2=5x2 (x﹣3)3=x3﹣9
5x+3x=8 2x+3y=5xy 3ab﹣ab=2ab ﹣(a﹣b)=﹣a﹣b
x2+x4=x6 2x+3y=5xy x6÷x3=x2 (x3)2=x6
2x+3y=5xy 5x2·x3=5x5 4x8÷2x2=2x4 (-x3)2=x5
x3+ x3=2 x3 (–x2)3= –x5 x2·x4= x6 2x3÷x2 =2x
x2·x3=x6 (ab)3=a3b3 3a+2a=5a2 (x³)²= x5
x・x3=2x3; x3÷x=x2; (x3)2=x5; x3+x3=2x6 .
(x5)2=x7 (x﹣y)2=x2﹣y2 x13÷x3=x10 x3+x3=x6
3x2+2x3=5x5 x³•x³=x6 (x2)3=x5 (x+y) 2 =x 2+y2
3x2y﹣2x2y=x2y 5y﹣3y=2 ﹣3x+5x=﹣8x 3a+2b=5ab
3x-2x=1 2x+2x=4x2 x3•x-1=x2 (-a3)2=a5
x3•x3=x6 3x2+2x2=5x4 (x2)3=x5 (x+y)2=x2+y2
3x2+4x2=7x4 x3·x2= x6 (x5)2=x10
x3•x3=x6 3x2+2x3=5x5 (x2)3=x5 (ab)3=a3b
x2•x3=x6 x6÷x5=x (﹣x2)4=x6 x2+x3=x5
2x-x=1 x+x4=x5 (-2x)3=-6x3 x2y÷y=x2
x3・x3=x6 3x2÷2x=x (x2)3=x5 (x+y2)2=x2+y4