Răspunsuri

2014-11-01T18:51:54+02:00
A-b=25. a/b=8/7 => 7a=8b => a=8b/7 dar a=b +25 => b+25=8b/7 => 8b=7b +7•25 => b=7•25 => b= 175 si a=150 Unde a/b = a impartit la b :)
2014-11-01T18:51:59+02:00
A-b=25
a/b=8/7=>a=8/7•b
8/7•b-b=25
(8b-7b)/7=25
b=175
a=175+25=200