Question

in 3 lazi sunt  64kg mere. IN PRIMELE DOUA LAZI SUNT 56KG, IAR IN ULTIMELE DOUA 60KG. Cite kg de mere sunt in cele 3 lazi?

Answer 1

a+b+c=64kg
a+b=56kg
56+c=64kg
c=64-54
c=10kg
b+c=60kg
b+10=60
b=60-10
b=50
a+50+10=64
a+60=64
a=64-60
a=4

Answer 2

64-56=8-kg are  a treia lada

64-60=4-kg are prima lada

8+4=12-kg in a treia si prima lada

64-12=52-kg in a doua lada