Răspuns:
Explicație pas cu pas:
Suma = S
S _______ _______ _______ _______ _______ _______ _______
2 stilouri _______
Rest _______ _______ _______ _______ _______ _______
carte _______ _______ _______
Rest _______ _______ _______
Atlas _______ _______
Rest _______ = 8 lei
S = 7 x 8 = 56 lei