Question

determinati valorile cifrei x, stiind ca: a)2 | 1x3x cu bara deasupra
b)5 | 1x4x cu bara deasupra c)10 | 4x3x cu bara deasupra

Answer 1

a) x ∈{0,2,4,8}
b) x∈{5,0}
c) x∈{0}