1)276→informatica
276÷2=138→pictura
(276+138)-87=414-87=327→muzica
276+138+327=741(copii)
exercitiul corespunzator problemei:276+276÷2+(276+138-87)=
=276+138+327=741
2)80 kg musetel
80÷2=40 kg sunatoare
80+17=97 kg menta
40×3=120 kg flori de tei
Total:80+40+97+120=337 kg plante medicinale
3)55+(55-15)+55×3+55÷5=55+40+165+11=271(sticle)
