Răspuns :
a) x={1;3;5;7;9}
b) x={1;2;4;5;7;8}
c) x={0;1;2;...;9}
d) x={1;2;3;4;6;7;8;9}
b) x={1;2;4;5;7;8}
c) x={0;1;2;...;9}
d) x={1;2;3;4;6;7;8;9}
Doua numere sunt prime intre ele daca c.m.m.d.c. al lor este egal cu 1.
a) Daca (51x ; 2)=1 atunci x∈{1,3,5,7,9}
b) Daca (x27 ; 3)=1 atunci x∈{1,2,4,5,7,8}
c) Daca (7x2 ; 5)=1 atunci x∈{0,1,2,3,4,5,6,7,8,9}
d) Daca (3x ; 5 )=1 atunci x∈{1,2,3,4,6,7,8,9}
a) Daca (51x ; 2)=1 atunci x∈{1,3,5,7,9}
b) Daca (x27 ; 3)=1 atunci x∈{1,2,4,5,7,8}
c) Daca (7x2 ; 5)=1 atunci x∈{0,1,2,3,4,5,6,7,8,9}
d) Daca (3x ; 5 )=1 atunci x∈{1,2,3,4,6,7,8,9}