Question

Помогите даю 50 балов​

Answer 1

Решение:

1) 8,3 - 10 = - (10 - 8,3) = - 1,7;

2) - 2 1/2 - (- 3) = - 2 1/2 + 3 = 3 - 2 1/2 = 1/2;

3) 9 1/5 - (- 13 3/5) = 9 1/5 + 13 3/5 = 22 4/5;

4) - 4,75 - 3 1/4 = - 4,75 - 3, 25 = - 8;

5) - 13,94 - (- 20) = - 13,94 + 20 = 20 - 13,94 = 6,06.