tìm x nguyên, biêt:
a) /x-2011/=x-2012
b) /x-2010/+/x-2011/=2012
/ là giá trị tuyệt đối nhé
Tìm x biết:
a) |x - 2011| = x - 2012
b) |x - 2010| + |x - 2011| = 2012
tìm x (1/2+1/3+...+1/2013) *x= 2012 +2011/2+2010/3+...+2/2011+1/2012
Tìm x biết:
a. |x - 2011| = x - 2012
b. |x -2010| + |x - 2011| = 2012
Lm đi, mk tick cho
tìm x,biet(1/2+1/3+.............+1/2012+1/2013).x=2012/1+2011/2+2010/3+......+2/2011+1/2012
Tìm x biết (1/2+1/3+...+1/2012+1/2013).x = 2012/1+2011/2+2010/3+...+2/2011+1/2012
tìm X biết : ( 1 / 2 + 1/3 + ........+ 1 /2012 + 1/2013 ) . x = 2012/1 + 2011/2 + 2010 /3 + .....+2/2011+1/2012
Tính nhanh A= 2012 x 14 + 1997 + 2010 x 2011 / 2011 x5 + 2011 x 1008 + 1012 X 2011
Tìm x:
x . (1/2+1/3+1/4+. . .+1/2011+1/2012)
2012/1+2011/2+2010/3+2009/4+ . . . +2/2011+1/2012
=1
