54. 200 - (80-35)\(\cdot\) 2 200-80-35\(\cdot\) 2

Решение:

• $$200 - (80-35) \cdot 2 = 200 - 45 \cdot 2 = 200 - 90 = 110$$


• $$200 - 80 - 35 \cdot 2 = 200 - 80 - 70 = 120 - 70 = 50$$