Răspunsuri

2014-04-10T15:03:57+03:00
X- suma initiala
x-4x/6=A - rest
A+6=B - noua suma
B-2B/3=C - noua rest
C=8

B-2B/3=8
3B-2B=24
B=24

A+6=24
A=24-6
A=18
x-4x/6=18
6x-4x=108
2x=108
x=180:2
x=54