Răspuns :
f |----------|
m |----------|--------------|
t. |----------|--------------|-----|
3 f = 70 - 25 - 25 - 5
3 f = 15
f = 15:3 = 5
m = f + 25 = 5 + 25 = 30
t = m + t = 30 + 5 = 35
v: m + t + f = 30
30 + 35 + 5 = 70
m |----------|--------------|
t. |----------|--------------|-----|
3 f = 70 - 25 - 25 - 5
3 f = 15
f = 15:3 = 5
m = f + 25 = 5 + 25 = 30
t = m + t = 30 + 5 = 35
v: m + t + f = 30
30 + 35 + 5 = 70