a*3:2*7-8*3:6*9-63:9*3=6 a*3:2*7-8*3:6*9-63:9=(6:3)=2 A*3:2*7-8*3:6*9-63=(9*2)=18 a*3:2*7-8*3:6*9=(63+18)=81 a*3:2*7-8*3:6=(81:9)=9 a*3:2*7-8*3=(6*9)=54 a*3:2*7-8=(54:3)=18 a*3:2*7=(18+8)=26 a*3:2=3.(428571)a*3=7.42857142857 a=2.(476190) si am doar 12 ani si tiam rezolvato ha
