Question

- 7 целых 4/30 + 4 целых 5/30 +( - 1 целая 6/30) решите

Answer 1

- 7  4/30 + 4  5/30=-2 29/30
-2 29/30+(-1 6/30)=-2 29/30-1 6/30=-3 35/30=-4 5/30=-4 1/6