X(2X-3)(2X+3)-(X-3)(X²+9)-(2X²-1)(X+2) 其中X=-2 解不等式:2(X-3)(X-2)-(X+3)²>(X-1)(X+1)化简后求解:
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X(2X-3)(2X+3)-(X-3)(X²+9)-(2X²-1)(X+2) 其中X=-2 解不等式:2(X-3)(X-2)
X(2X-3)(2X+3)-(X-3)(X²+9)-(2X²-1)(X+2) 其中X=-2 解不等式:2(X-3)(X-2)-(X+3)²>(X-1)(X+1)化简后求解:
X(2X-3)(2X+3)-(X-3)(X²+9)-(2X²-1)(X+2)
其中X=-2
解不等式:2(X-3)(X-2)-(X+3)²>(X-1)(X+1)
化简后求解:
X(2X-3)(2X+3)-(X-3)(X²+9)-(2X²-1)(X+2) 其中X=-2 解不等式:2(X-3)(X-2)-(X+3)²>(X-1)(X+1)化简后求解:
2(X²-5X+6)-(X²+6X+9)>X²-1
-16X+3>-1
4>16X
X
2(2-3)0-25>1(2+1)
-25>3
*-----------------------------------------------*| 6 4 X | 8 X X | X X 5 || X X X | X X X | X 7 8 || X X X | X X X | X X X ||---------------+---------------+--------------- || X X X | X X X | 5 1 X || X X X | X 6 X | X X X || 8 X X | 3 5 X | 2 X X ||
x(x*x-6x-9)-x(x*x-8x-15)+2x(3-x)
填九宫格帮帮忙.x x 6 x x 7 x x 98 x x x 3 x 1 x x 9 x x 6 x 5 x 3 x x x 3 x x x x 1 8x x x 9 x 1 x x x2 1 x x x x 6 x x x 6 x 7 x 3 x x 1 x x 9 x 2 x x x 47 x x 8 x x 5 x x
七年级下册政治复习提纲(山东人民出版社)第五单元是 青春的脚步 青春的气息别弄错了啊!格式:X X X X X X X X X 1、X X X X X X X X X X.2、X X X X X X X X X.3、X X X X X X X X X X X.
x(x-2)(x-3)
{x|(x+3)(x-2)
-x^3+x^2-x
x×x+3x-9/ x+2
x+2x+3x+.+100x
(x*x-3)*(x*x-3)-x*(x*x-3)-2x*x 因式分解
x^2-3x
|X+3|+|X-2|
|x+3|+|x-2|
3x-2x
|x-2|-|x-3|
|x+3|+|x-2|
x^(-2)-x^(-3)
|x+3|+|x-2|