Question

Обязательно по действиям!!​

Answer 1

(1,75 × 4/7 - 1,75 : 1 1/8) × 4,5 - 4,5 = -7.

1. 1,75 × 4/7 = 7/7 = 1;

2. 1,75 : 1 1/8 = 1,75 : 9/8 = 1,75 × 8/9 = 14/9;

3. 1 - 14/9 = 9/9 - 14/9 = -5/9;

4. -5/9 × 4,5 = -22,5/9 = -2,5;

5. -2,5 - 4,5 = -7.