你可能感兴趣的试题
3a+2b=5ab 5y﹣3y=2 3x2y﹣2yx2=x2y ﹣3x+5x=﹣8x
5x3+2x 6x3+1 6x3+2x 6x2+2x
x2+x3=x5 x2•x3=x6 (x2)3=x5 x5÷x3=x2
00000015 00000017 00000021 00000023
3x-5x=2x 3x2+x=4x3 -7a+4b=-11ab -3ab2-ab2= -4ab
(3x-1)(2x+5) (3x十1)(2x+5) (3x+1)(2x-5) 3x十1) (2x-5)
2x+3y=5xy 3x﹣x=3 2x+3x=5x2 ﹣x2﹣x2=﹣2x2
3x-2x=1 3x+2x=5x2 3x·2x=6x 3x-2x=x
(﹣2xy)2=﹣4x2y2 x6÷x3=x2 (x﹣y)2=x2﹣y2 2x+3x=5x2
x2+x3=x5 x2•x3=x5 (﹣x2)3=x8 x6÷x2=x3
x2+x3=x5 x2•x3=x6 (x2)3=x5 x5÷x3=x2
x2·x3=x6 (x2)3=x8 x2+x3=x5 x6÷x3=x3
(xy)3=xy3 x5÷x5=x 3x2•5x3=15x5 5x2y3+2x2y3=10x4y9
x2+x3=x5 x2•x3=x6 (x2)3=x5 x5÷x3=x2
x+x2=x3 2x+3x=5x (x2)3=x5 x6÷x3=x2