│3x-4│-1≥2

*-----------------------------------------------*| 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 || 含绝对值的不等式│x-1│+│x+2│>3+x│3x-4│>1+2x│3x-4│ 解分式不等式(x+2)/(x+1)+(x+3)/(x+2)≥(x+1)/x+(x+4)/(x+3) ..1.│2-x分之1│≥2 2.│x+1分之x│>x+1分之x 3.│x^2-3│ x满足什么条件时,下列等式成立.1 │(x-5)+(x-8)│=│x-5│+│x-8│2 │(5x+4)(7x-3)│=（5x+4)(3-7x) 四道不等式题(1)不等式│5-2x│-1≥0的解(2)x(9-3x)≥6(3) (x+2)(x+3)＜6(4)3-4x/1-2x≤0 |x-1|+|x-2|+|x-3|+...+|x-1996|+│x-1997│的最小值是多少? x+2/x+1-x+3/x+2-x+4/x+3+x+5/x+4 集合A={x│x^2+3x-4 x^5-x^4+x^3-x^2+x-1 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 x²+x-12＞0(2x-1)²＜9x-1／x+3＜0│1-2x│≤4以下是不等式组丨x-1丨＞22x-3＜54+3x-x²＞02x-1＞04+3x-x²＜2（2x-1） 用MATLAB求解以下优化问题设计变量：X = {x1,x2 ,x3 ,x4}T约束条件：g1( X )=-x(1)* x(1)-x(2)* x(2)- x(3)* x(3)- x(4)* x(4)- x(1)+ x(2)- x(3)+x(4)+9≥0g2( X )=-x(1)*x(1)-2*x(2)*x(2)-x(3)*x(3)-2*x(4)*x(4)+x(1)+x(4)+8≥0g3( X )= -2*x(1) 一个“整式的乘法”的问题请先阅读下列解题过程,再仿做下面的问题.已知X*X + X - 1=0,求X*X*X + 2*X*X + 3的值.解X*X*X + 2X*X +3=X*X*X +X*X -X +X*X +X +3=X{X*X +X -1} +X*X +X -1 +4=0+0+4=4+ x + X*X + X*X*X=0.+ X*X + X*X*X |x²-3x-4|＞x+1;以及|x-3|+|x-5|≥2 设函数f(x)={(1/2)^x(x≥4),f(x+3)(x 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