Question

решите пример прошу
-8 7/30+5 7/15-6 11/30+7 1/15+6 1/15-4 7/30

Answer 1

-8 7/30+5 7/15-6 11/30+7 1/15+6 1/15-4 7/30 = (-8 7/30 - 6 11/30 - 4 7/30) + (5 7/15 + 7 1/15 + 6 1/15) = -18 25/30 + 18 9/15 = -18 25/30 + 18 18/30 = -7/30