12m^2-4*(1+2m^2)*12=0
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12m^2-4*(1+2m^2)*12=0
1/(2x+4)+1/(2x-16)=1/24
1/(2x+4)+1/(2x-16)=1/24
12m^2-4*(1+2m^2)*12=0
12m^2-48*(1+2m^2)=0
12m^2-48+96m^2=0
108m^2-48=0
108m^2=48
m^2=12/27
m=根号下12/27
4x+20/(2x+4)(2x-16)=1/24
2x+10/(x+2)(x-8)=1/24
(2x+10)*24/(x+2)(x-8)=1
48x+240/x^2-6x-16=1
48x+240=x^2-6x-16
x^2-54x-256=0
x1=2916-根号下1892/2
x2=2916+根号下1892/2
真尽力了!
12m^2-48*(1+2m^2)=0
12m^2-48+96m^2=0
108m^2-48=0
108m^2=48
m^2=12/27
m=根号下12/27
4x+20/(2x+4)(2x-16)=1/24
2x+10/(x+2)(x-8)=1/24
(2x+10)*24/(x+2)(x-8)=1
48x+240/x^2-6x-16=1
48x+240=x^2-6x-16
x^2-54x-256=0
x1=2916-根号下1892/2
x2=2916+根号下1892/2
真尽力了!
(1m+3m+5m+...+2009m)-(2m+4m+6m+...=2008m)
m-2m-3m+4m-5m-6m+7m.2004m=?
(m+3m+5m.+2013m)-(2m+4m+6m+.+2012m)=?
(m+3m+5m+...+2015m)-(2m+4m+6m+...+2014m)=
m²-4m+4/m²-1÷m-2/m+1+2/m-1,其中m=2
若m*m-3m+1=0,求分式2m*m+2\m*m的值,
(12a^2m+1b^m+3-20a^m+1b^2m+4)/4a^m+1b^m+1=( )
已知m>4,化简|m-4|+|7-2m|+|m×m-2m+1|-|m×m-2m-3|
(m+3m+5m+7m+.+2009m)-(2m-4m-6m-.-2008m)=?
-12a^(2m+1)*b^(m+2)+20a^(m+1)*b^(2m+4)
已知m-(1/m)+1=0,求(m^4+1)/m^2的值是多少?
m^2+√10m+1=0 求m^4+m^-4