Question

Вычислите:
1) (220 + 300): 10; 2) (105 + 510) : 5;
3) (770 + 220) :11.

Answer 1

1) 220 + 300 = 520 520:10 = 52
2) 105+510 = 615 615:5 = 123
3) 770+220 = 990 990:11 = 90