Photos 1.20 X

< Previous photo
Photo - 6
Next photo >
1.20 x. 19/20-Х=1/4. X+1/6+20/X-1 4. Х-1/18=1/12. Х+1/12=1/3.
19/20-Х=1/4. X+1/6+20/X-1 4. Х-1/18=1/12. Х+1/12=1/3.

See also