Question

помогите с заданием 570(2)

Answer 1

85:17*(21-45:9)+90:15*7-122=85:17*(21-5)+6*7-122=5*16+6*7-122=80+42-122=122-122=0

Answer 2

85:17*(21-45:(54:6))+90:15*(56:8)-122=5*(21-5)+6*7-122=5*16+42-122=(80+42)-122=122-122=0