6x-1〈4和1-x《x+6和3x-1《x+9不等式组

*-----------------------------------------------*| 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 || 6x-1〈4和1-x《x+6和3x-1《x+9不等式组 6x+1分之x²-x+3和4x-3分之-x²+x-3 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 3+x〈4+2x和5x-3〈4x-1和7+2x>6+3X （1） x-3/x-2 - x-5/x-4=x-7/x-6 - x-9/x-8(2) 已知x+3/(x-2)^2=A/x-2 + B/(x-2)^2 ,求A和B的值. 求一个数独答案X X X 9 X X X 8 2 X 6 3 X X 1 4 X 99 X 8 X X X X X XX X X 6 7 X 3 X XX 4 6 X 5 X 2 9 XX X 7 X 2 3 X X XX X X X X X 7 X 17 X 4 3 X X 6 2 X6 3 X X X 7 X X X (x-1)(x-2)(x+3)(x+4)>0和(x-1)(x-2)(x+3)(x+4) 因式分解x^3+6x^2+11x+6过程中要将11x拆项成2x和3x,结果是（x+1）（x+2）（x+3) 难倒爱因斯坦的九宫格X 7 X | X 8 1 | X X X |X X X | X 4 X | 7 5 9 |X X 5 | 7 X 9 | X 1 4 |5 X X | X X 8 | 3 9 X |3 9 6 | 4 X 7 | X X 2 |X 8 7 | 9 X X | X X X |4 X X | 6 X 5 | X X X | X X 4 | X X 1 |2 X X | X X X | X X X | X 3 X | X X X |X 6 比较(X+1)(X+3)和(X-2)(X+6)的大小?比较(X+1)(X+3)和(X-2)(X+6)的大小? 如下9*9宫图如何填x x x 1 x x x 2 9x x 5 x x x x x 4x 6 8 x x x x x xx x x 7 x x 5 x xx 2 x x 6 x x 8 xx x 3 x x 9 x x xx x x x 5 x 1 6 x 4 x x x 3 x x x x 7 x x x x 2 x x x 5x+1=20x-(7x-3)和2x-5/6+3-x/4=1 2x平方-3x+4x平方-6x-5其中x=-1/2 值和原式是？ 已知f(x+1)=x²+1(x≥1)和(6x+14)/x+4(x 解分式不等式：x+6/x-2>0;x+5/x-3>=0和x+1/x-2 解九宫格题目（X为未知数）9 X 2 X 7 X 8 X XX X 4 X X 9 X 6 X1 3 X 5 X X X X 24 X X 8 5 X X 1 XX 8 9 4 X 1 6 7 XX 1 X X 3 6 X X 88 X X X X 2 X 3 6X 5 X 6 X X 9 X XX X 7 X 4 X 2 X 1 把分式,3/5²+5x-10,x+1/x²-x-6,2-x/x²-4x+3通分后,各分式分子和是?