(-8)x(-5)x(0.125) (-1/12-1/36+1/6)x(-36) (-5)x(+2(-8)x(-5)x(0.125)(-1/12-1/36+1/6)x(-36)(-5)x(+22/3)+(+7)x(-22/3)-(+12)x22/3九百九十九又二十五分之二十四乘(-5)(要有过

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(-8)x(-5)x(0.125) (-1/12-1/36+1/6)x(-36) (-5)x(+2(-8)x(-5)x(0.125)(-1/12-1/36+1/6)x(-36)(-5)x(+22/3)+(+7)x(-22/3)-(+12)x22/3九百九十九又二十五分之二十四乘(-5)(要有过

(-8)x(-5)x(0.125) (-1/12-1/36+1/6)x(-36) (-5)x(+2(-8)x(-5)x(0.125)(-1/12-1/36+1/6)x(-36)(-5)x(+22/3)+(+7)x(-22/3)-(+12)x22/3九百九十九又二十五分之二十四乘(-5)(要有过
(-8)x(-5)x(0.125) (-1/12-1/36+1/6)x(-36) (-5)x(+2
(-8)x(-5)x(0.125)
(-1/12-1/36+1/6)x(-36)
(-5)x(+22/3)+(+7)x(-22/3)-(+12)x22/3
九百九十九又二十五分之二十四乘(-5)
(要有过程,也要简便运算)谢谢

(-8)x(-5)x(0.125) (-1/12-1/36+1/6)x(-36) (-5)x(+2(-8)x(-5)x(0.125)(-1/12-1/36+1/6)x(-36)(-5)x(+22/3)+(+7)x(-22/3)-(+12)x22/3九百九十九又二十五分之二十四乘(-5)(要有过
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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 .X²+13X+36 .X²+5X-20 .X²-2X-15 .8(X²+X)²-8(X²+X)+12 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- x+5/x+1-3x-3/x+5=8x+28/x^2+4X-5-2(x+5)/(x+1)-(3x-3)/(x+5)=(8x+28)/(x^2+4X-5)-2 300字读后感 2篇 俄把格式说一下吧:《xxxx》(写题目)主要内容:x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x(写那篇文章的主要内容)思考分析:x x x 1.(1/X-1 )-2=X^-3X/X^-12.(X/X+1)^+5(X/X+1)+6=03.(8(X^+2X)/X^-1)+ 3(X^-1)/X^+2x 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} 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...... 解方程.(5x/x²+x-6)+(2x-5/x²-x-12)=7x-10/x²-6x+8 (8-7x-6x²+2x³)+(x³+5x²+4x-1)-(-x²-3x+2x³-3) 3≤|8-x| |x+1|>2-x |x+3|7|x+1| x^2-6|x|+9>0 |x-1|+|x+2|≥5 (1)方法 8x-[-3x-(2x-7x-5)+3]+4x化简 lim(x趋向于4)(x^2-6x+8)/(x^2-5x+4) 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~ 要列式1/12x(-6)+(-1/2) 4x1x(-5) 3x(-2)x(-6)x(-5) (-5)x 8 x(-6)x(-0.25) (-0.125)x (-7) x 5 x(-16) (8/15)x 1.25 x 9/2(-3)x 5/6 x(-0.2)x(-2/7) (-2)x(-6/5)x 10/3 x(-1/4) (-19/14)x 3 8(x平方-5x)=8x-72 8x-3(20-x)=5x