1.2(x+1)>3x-4 2.4-x-2(x+1)>11 3.2x+6≤5x解不等式一个过程不是要写字的吗 你不写字我怎么清楚 好的多给

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*-----------------------------------------------*| 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 || 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 (x-1)^3(x+1)(x-2)/(x+4) (x+2)(x-2)+16 (x-1)(x-2)+3x(x+3)-4(x+2)(x-3)(x+2)(x-2)+16 (x-1)(x-2)+3x(x+3)-4(x+2)(x-3) 初一分式加减1.2/(x-1)-(x+1)/(x-1)2.2a/(a^-4)-1/(a-2)3.3x/(x-3)^2+x/(x-3)4.【2a/(x-2)-x(x+2)】*(x^2-4)/x (x+1)(x+2)(x+3)(x+4)+1(x+1)(x-2)(x+3)(x-4)+25 计算(x*x+4x+5)/(x+2)-(x*x+6x+10)/(x+3)+1 (x-1)(x-2)+(x-2)(x+3)-2(x-3)(x-4)>=(大于等于)-4 3/x-1=4/x 6/x+1=x+5/x(x+1) x(2x-5)>2x²-3x-4① (x+1)(x+3)+8x>(x+5)(x-5)-2x(2x-5)>2x²-3x-4①(x+1)(x+3)+8x>(x+5)(x-5)-2②求解不等式组 x+2/x+1-x+3/x+2-x+4/x+3+x+5/x+4 (1)4x-1.2=10.8-4x (2)1.2x+8.5=5x-1 (3)1.8-2.4x=8x-0.72速喥 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(x+1)+x平方(x-1)]+(-3x) x^5-x^4+x^3-x^2+x-1 1.2x^2+x >02.x^2-3x-18≤03.-x^2+x≥3x+14.x(x+9)>3(x-3) (X-3分之x-1-x分之x-4)除以x的平方+3x分之(x+3)(x-2),其中(x-1)(x-2)=0 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