Question

Aflati-l pe a:
6•a<59
80:c>10
b•7<70
7

Answer 1

6a<59
a ∈{0,1,2,3,4,5,6,7,8,9}

80:c>10
c ∈{1,2,4,5}

bx7<70
b<70:7
b<10
b={0,1,2,3,4,5,6,7,8,9}