Question

Aflati nEn astfel incat fractia 18/n+7 sa fie:
a) echiunitara b) supraunitara c)subunitara

2. Simplificati fractia 111+444-222/222.

3.Simplificati fractia 2+4+6+.,...140/3+6+9+....+210

Answer 1

111+444-222/222 =111+444=555