Răspuns :
a * b + a * c = a * (b + c)
a = 3/16
b + c = 4/9
a * (b + c) = 3/16 * 4/9 = 1/4 * 1/3 = 1/12
se simplifica 3 cu 9 si 4 cu 16
a * b + a * c = a * (b + c)
a = 3/16
b + c = 4/9
a * (b + c) = 3/16 * 4/9 = 1/4 * 1/3 = 1/12
se simplifica 3 cu 9 si 4 cu 16