Question

URGENT
Determinati:
a. 9|43x2
b.5|47x
f.10|89x
g.4|87x6

Dau coroana!

Answer 1

Răspuns:

a. 9 | 4+3 +x +2

9 | 9 + x

x = {0, 9}

b. 5 | 47x

x ={0,5}

c. 10 | 89x

x={0}

d. 4 | 87x6

4 | x6

4 | 16, 36, 56, 76, 96

x = {1, 3, 5, 7, 9}