Răspuns :
1. x+ 7< 24 2. x- 32< 57 x∈ IN
x < 24 - 7 x < 57 + 32
x < 14 x < 89
x∈{ 0; 1; ... 13} x∈ { 0; 1; ... 88}
x < 24 - 7 x < 57 + 32
x < 14 x < 89
x∈{ 0; 1; ... 13} x∈ { 0; 1; ... 88}