Răspuns :
a * 5 = b * 10 = c * 6 = k
a - b = 6
a = k/5
b = k/10
c = k/6
²⁾k/5 - k/10 = ¹⁰⁾6
2k - k = 60
k = 60
a = 60/5 = 12
b = 60/10 = 6
c = 60/6 = 10
P = 12 + 6 + 10 = 28
a - b = 6
a = k/5
b = k/10
c = k/6
²⁾k/5 - k/10 = ¹⁰⁾6
2k - k = 60
k = 60
a = 60/5 = 12
b = 60/10 = 6
c = 60/6 = 10
P = 12 + 6 + 10 = 28