Question

Найди значение выражений 3/10-2/15-2/15

Answer 1

3/10 - 2/15 - 2/15 = 9/30 - 4/30 - 4/30 = (9 - 4 - 4) / 30 = 1/30

Answer 2

3/10- 2/15 - 2/15 = 3/10 - 4 / 15 = 9/30 - 8/30 = 1/30