X-5＞1+2X 3X+2＜4X 解答一元一次方程组 画图!

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 *-----------------------------------------------*| 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-5＞1+2X 3X+2＜4X 解答一元一次方程组 画图! 一元二次方程解答!x（5x+4）=5x+44x^2-45=31x-3x^2+22x-24=0(x+8)(x+1)= -12(3x+2)(x+3)=x+14 高二含绝对值不等式的解答?1. | x²-3x-4|＜x+12. |x-2|+|x+1|＞3-x要求解题步骤 谢谢 x+2/x+1-x+3/x+2-x+4/x+3+x+5/x+4 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 不等式习题解答解不等式:x²+3x+2＞0 x²－5x+4＜0 解不等式组:一 x≥-3 x步骤和结果都写上说具体点 (x+1)/(x+2)+(x+8)/(x+9)解答x+1/x+2+x+8/x+9=x+2/x+3+x+7/x+8 x^5-x^4+x^3-x^2+x-1 计算：(2x一1)^2一(x^5一4x^4)÷x^3 求积分∫(x^7-4x^5-x^3+5x+1)/(x^5-2x^4-x+2)dx的具体解答过程 一| x^2-3x-4|>x+1 二| x^2-2x-3|>x-2 x乘以x^4+x^2(x^3-1)-2x^3(x+1)^2求解答过程 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 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 X趋近于1,X^2-2X+1/X^3-X的极限的解答过程,还有一题X趋近于-2,X^3+3X^2+2X/X^2-x-6的极限 2(x+4)-3(5-2x)=12（x+1）+5解答