Question

Помогите умоляю!!!!!!!!!

Answer 1

1) 5 + 3 + 4 = 12

2) 240 ÷ 12 = 20

3) 5 × 20 = 100

3 × 20 = 60

4 × 20 = 80

4) 100 + 60 + 80 = 240