你可能感兴趣的试题
a3+a3=a6 (3x)2=6x2 (x+y) 2= x2+y2 (-x-y)(y-x)=x2-y2
a2+2a3=3a5 (2b2)3=6b5 (3xy)2÷(xy)=3xy 2x·3x5=6x6
(-x)2 (-x)5 (-x)2 x5 (-x3) (-x4) (-x) (-x)6
2x﹣x=x2 x+y=xy 2x2﹣x2=x2 6x﹣3x=3
2x•3x=6x 3x﹣2x=x (2x)2=4x 6x÷2x=3x
2x+3y=5xy x6÷x2=x3 x2·x3=x5 (-x3)3=x6
2a+3a=5a x2・x= -x3 2x-3x= -1 (-x3)2= x6
x6÷x2=x4 x2•x3=x6 (﹣x2)4=x6 x2+x3=x5
x6÷x3=x2 (x-1)2=x2-1 x4+x4=x8 (x-1)2=x2-2x+1
3x+5y=8xy x3•x5=x8 x6÷x3=x2 (﹣x3)3=x6
2x-x= x2 x+y =xy 2x2 –x2= x2 6x-3x=3
2x4﹣x2=x2 (2x2)4=8x8 x2•x3=x6 (﹣x)6÷(﹣x)2=x4
a2+a2=a4 (3x)2=6x2 (x2)3=x6 (x+y)2=x2+y2
x6÷x3=x2 (x-1)2=x2-1 x4+x4=x8 (x-1)2=x2-2x+1
x2﹣9+6x=(x+3)(x﹣3)+6x (x+5)(x﹣2)=x2+3x﹣10 x2﹣8x+16=(x﹣4)2 6ab=2a•3b
x6÷x3=x2B (x-1)2=x2-1 x4+x4=x8 (x-1)2=x2-2x+1
x4+x4=2x8 (x2y)3=x6y (x2)3=x5 -x3·(-x)5=x8