(2x+1)/3+5=(x-7)/2(过程)
来源:学生作业帮助网 编辑:六六作业网 时间:2024/11/24 02:56:42
(2x+1)/3+5=(x-7)/2(过程)(2x+1)/3+5=(x-7)/2(过程)(2x+1)/3+5=(x-7)/2(过程)(2x+1)/3+5=(x-7)/26[(2x+1)/3+5]=6[
(2x+1)/3+5=(x-7)/2(过程)
(2x+1)/3+5=(x-7)/2(过程)
(2x+1)/3+5=(x-7)/2(过程)
(2x+1)/3+5 =(x-7)/2
6[(2x+1)/3+5] = 6[(x-7)/2]
2(2x+1)+30=3(x-7)
4x+32 = 3x-21
x = -53
(2x+1)/3+5=(x-7)/2
6×{(2x+1)/3+5}=6×(x-7)/2
4x+2+30=3x-21
x=-21-2-30
x=-53
已知f(x-1)=x²+4x-5则f(x)的表达式是() A x²+6x B x²+8x+7已知f(x-1)=x²+4x-5则f(x)的表达式是()A x²+6xB x²+8x+7C x²+2x-3D x²++6x-10
3x²-(2x+5x-1),其中x=10
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 ||
若|x|=7,若|x|=0 则x= 5-3x²+5x-(2x²-3x) (X²-3x+1)(三分之二x²-5x-3)
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
x+3×(x+1)等于27 7x-2(x-5)=40 6x+4(10-x)=46
x+3×(x+1)等于27 7x-2(x-5)=40 6x+4(10-x)=46
(1) √3_____{x|x≤2},(1,2)____{(x,y)|(1) √3_____{x|x≤2},(1,2)____{(x,y)|y=x+1}(2) √2+√5_____{x|x≤2+√3}(3) {x|x/1=x,x∈R}______{x|x的立方-x=0}(4)设U=R,A={x|a≤x≤b}
(x方-4x+2)(x方-4x+5)+2能分别被x-1,x-2,x-3整除
y=2x^2-2x-1和y=-5x^2+2x+3 求过两交点的直线方程(求不用直接联立方程的简便方法)
x²+1/x²-3(x+1/x)+4=0 3x²-12x-2√(x²-4x+7)+13=0要答题过程,
15-(7-4x)=2x+(5-2x) 4分之X减8分之3X减1=1 0.7分之X-0.03分之0.17-0.2X=1
求分式1/(x²+x)+1/(x²+3x+2)+1/(x²+5x+6)+1/(x²+7x+12)+1/(x²+9x+20)的值
已知函数y=f(x)的图象过点(-2,-3),且满足:f(x-2)=ax2-(a-3)x+(a-2).设g(x)=f〔f(x)〕,F(x)=Pg(x)-4 f(x)(1)求f(x)的表达式.(2)是否存在正实数P,使函数F(x)在(- ,f(2))上是增函
2(x+4)-3(5x+1)=2-x
1)5X-1=2X+52)6X-4<3X+2
已知二次函数f(x)满足f(x+1)+f(x-1)=2乘以x的平方+3x+5,求f(x)X的平方+1.5X+1.5