(-24)x(-3/4+1/6-5/8) 写过程

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(-24)x(-3/4+1/6-5/8) 写过程
(-24)x(-3/4+1/6-5/8) 写过程

(-24)x(-3/4+1/6-5/8) 写过程

 

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 *-----------------------------------------------*| 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 || 解下列方程!就三道!解下列方程.1、x/x-2 - 1-x²/x²-5x = 2x/x-3(x/x-2 - 1-x²不是一起的!)2、5x/x²+x-6 - 5-2x/x²-x-12=7x-10/x²-6x+8(5x/x²+x-6 - 5-2x不是一起的!)3、x-4/x-5 + x-8/x-9=x-7/x- 1.(x^3-x^2-4x+1)/(x^2-3x+2)-(x^3-2x^2-9x+21)/(x^2-5x+6)+(x^2-3x+8)/(x^2-4x+3)2.{(x^2)/(x-y)}*{y/(x+y)}-{(x^4y)/(x^4-y^4)}÷{(x^2/x^2+y^2)^2} (8-7x-6x²+2x³)+(x³+5x²+4x-1)-(-x²-3x+2x³-3) EXCEL两表间同时满足两个条件数据引用如题:表1为原始数据表1 2 3 4 5 6 7 8 9 10.A X X X X X X X X X XB X X X X X X X X X XC X X X X X X X X X XD X X X X X X X X X X .表2(A列) (B列) (C列)A 1A 3B 8B 5C 2D 3...... 试说明:不论x取何值,代数式(x^+5x^+4x-1)-(-x^-3x+2x^-3)+(8-7x-6x^+x^)的值不...试说明:不论x取何值,代数式(x^+5x^+4x-1)-(-x^-3x+2x^-3)+(8-7x-6x^+x^)的值不变问题补充:速度! 麻烦解4道分式方程(20分)(x/2x-5)+(5/5-2x)=1(x+1/x*x-2x)-(1/x)=3/x-2(1-x/5-x)-(5-x/1-x)=8/x*x-6x+5(x+1/x-1)-(4/x*x-1)=1去掉括号,不管前面正负,都不变号~ (1)14x^2-45x-14 (2)18x^2+3x-10 (3)8x^2-18x+9 (4)10x ^2-11x-6 (5)15x^2-47x+28 (6)x^2-17x+10(1)14x^2-45x-14 (2)18x^2+3x-10 (3)8x^2-18x+9 (4)10x ^2-11x-6 (5)15x^2-47x+28(6)x^2-17x+10 (7)12x^2-x-6 (8)24x^2-2x-15 因式分解 计算(x*x+4x+5)/(x+2)-(x*x+6x+10)/(x+3)+1 解方程:(8x+24)/(x^2+6x+9)+x^2/(x^2-9)=(x^2-9)/(x^2-6x+9) 1/(x-7)+1/(x-4)=1/(x-5)+1/(x-6)a为何值时,方程x/(x-3)=2+a/(x-3)会产生增根?(1) (8x+24)/(x^2+6x+9)+x^2/(x^2-9)=(x^2-9)/(x^2-6x+9)(2) 1/(x-7)+1/(x-4)=1/(x-5)+1/(x-6)(3 3/x-1=4/x 6/x+1=x+5/x(x+1) 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 因式分解:(1)x^2-7x+6(2)x^2-5x+6(3)x^2-5x-6(4)x^2-7x+8(5)x^2-7x+12(6)x^2-7x-18 (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分之x+2减去x+3分之x+4=x+5分之x+6减去X+7分之x+8 (解方程) 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