Răspuns :
Calculam cate bile sunt acum:
8×3=24
24+5=29 (bilele scoase de Dragos)
29-8=21 (adauga Maria)
Raspuns: Maria adauga 21 de bile
8×3=24
24+5=29 (bilele scoase de Dragos)
29-8=21 (adauga Maria)
Raspuns: Maria adauga 21 de bile
8 + x - 5 = 3 * 8
8 + x - 5 = 24
8 + x = 24 + 5
8 + x = 29
X = 29 - 8
X = 21
8 + x - 5 = 24
8 + x = 24 + 5
8 + x = 29
X = 29 - 8
X = 21