Question

Daca 9 lazi cu portocale si 3 lazi cu lamai cantaresc in total 63kg .3lazi cu portocale si 4lazi cu lamai cantaresc 30kg. Aflati cat cantaresc 5lazi cu lamai

Answer 1

9p......3 l.......63kg

3p......4l........30kg/×3

9p.....3l........63kg

9p......12 l.....90kg

.............................

/..........9 l.......27kg

27÷9=3kg are o lada de lamai

3×5=15kg are 5 lazi de lamai