Răspuns:
Explicație pas cu pas:
a = 0,(3)
a = 3/9 (³
a = 1/3
b = 3/2
_________________________
a × b = 1/3 × 3/2 = 3/6 (³ = 1/2
a = 0,(3) = 3/9 = (3:3)/(9:3) = 1/3
=> a * b = (1/3) * (3/2) = 1/2 (se simplifica 3 cu 3)
