1/4x^2+|3-2x|=5
来源:学生作业帮助网 编辑:作业帮 时间:2024/12/03 04:17:48
x)373Ү155I*/!N%HE55 $ltA$X4 $1VCH*ql-@I.~e;oj Kb Q"TDӆ^f#, Zv=mhhkP&_\g
xk5
1/4x^2+|3-2x|=5
1/4x^2+|3-2x|=5
1/4x^2+|3-2x|=5
1/4x^2+|3-2x|=5
1/4x^2+3-2x=5
1/4x^2-2x-2=0
a=1/4 b= -2 c= -2
b^2-4ac=(-2)^2-4*1/4*(-2)=8
x= -b正负根号b^2-4ac
------------------
2a
x=2正负2倍根号2
--------------
2分之1
x1=1+根号2
x2=1-根号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 ||
(x-3/x-2)-(x-2/x-1)=(x-5/x4) -(x-4/x-3)
x(x+1)+(x+2)+(x+3)+(x+4)+(x+5) = 27求x
x+2/x+1-x+4/x+3=x+6/x+5-x+8/x+7 x=?
写过程x(x-1)+2x(x+1)-3x(2x-5)-x(3x-2)+2x(2-x)=-5x(x-2)-4
x+2/x+1-x+3/x+2-x+4/x+3+x+5/x+4
1+x+x^2+x^3+x^4+x^5+x^6+x^7+x^8+x^9+x^10+x^11+x^12=97.8x+x^2+x^3+x^4+x^5+x^6+x^7+x^8+x^9+x^10+x^11+x^12=97.8 好多年没有用过过数学公式了 想不起来怎么算了 想知道 X值是多少
x^5-x^4+x^3-x^2+x-1
如果1+x+x^2+x^3=0,求x+x^2+X^3+x^4+x^5+x^6+x^7+x^8的值,
已知x=2π+1求 |x-1|+|x-2|+|x-3|+|x-4|+|x-5|+|x-6|+|x-7|+|x-8|+|x-9|+|x-10|
已知x=2π+1.求(X-1)+(X-2)+(X-3)+(X-4)+(X-5)+(X-6)+(X-7)+(X-8)+(X-9)+(X-10)
(x+1)(x+2)(x+3)(x+4)-(x^2+5x+3)(x^2+5x+7)=?
1+x+x^2+x^3+x^4+x^5+x^6+x^7+x^8+x^9+x^10+x^11=17.7这个方程怎么样求解?
(x+2)/(x+1)-(x+3)/(x+2)=(x+4)/(x+3)-(x+5)/(x+4)
x-1/x-2-x-3/x-4=x-2/x-3-x-4/x-5怎么做?
(x-3)/(x-2)-(x-2)/(x-1)=(x-5)/(x-4)-(x-4)/(x-3) 帮个忙呗~~~
解方程:(x+3)/(x+2)-(x+4)/(x+3)=(x+5)/(x+4)-(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