Răspuns :
(28-8):2=20:2=10 oua in al doilea cos
10+8=18 oua in primul cos
18+10=28 oua
10+8=18 oua in primul cos
18+10=28 oua
a+b= 28
a= b+8
b+8+b= 28
2b=28-8
2b= 20
b=10 oua(in al doilea cos)
a= 10+8
a=18 oua (in primul cos)
a+b= 10+18= 28
a= b+8
b+8+b= 28
2b=28-8
2b= 20
b=10 oua(in al doilea cos)
a= 10+8
a=18 oua (in primul cos)
a+b= 10+18= 28