Question

efectuati
b) (3-1/3)totul la 2 +(2-1/2)totul la 2 -(1 1/2) 2

c) [(1/2+2/3+5/6):7/12- 2/5×5/6]×1/4: (5×12/25-1 1/3)

Answer 1

am facut doar c sper sa nu te superi