ax42+720-720:9=1060
ax42+720-80=1060
ax42+720=1060+80
ax42+720=1140
ax42=1140-720
ax42=420
a=420:42
a=10
100-b:16+350:7=144
100-b:16+50=144
100-b:16=144-50
100-b:16=94
b:16=100-94
b:16=6
b=6×16
b=96
E=100xa-10xb
E=100x10-10x96
E=1000-960
E=40
Dacă tu crezi că merit, astept coroana!