Question

Вычислите а) 1/2 - 1/3 -1/5 в)1/2 - 1 1/3 + 1/6

Answer 1

а) = 15/30-10/30-6/30= - 1/30
в) = 3/6- 8/6+1/6= - 4/6= - 2/3