Răspuns :
notam x prima lada
2 lada =2x
3 lada =x+2x
x+2x +x+2x = 60
6x=60/:6
x=10
prima lada :10
a doua lada =20
a 3 lada = 20+10=30
Verificare : 10+20+30 =60 castraveti
2 lada =2x
3 lada =x+2x
x+2x +x+2x = 60
6x=60/:6
x=10
prima lada :10
a doua lada =20
a 3 lada = 20+10=30
Verificare : 10+20+30 =60 castraveti
a+b+c=60
b=2a
c=a+b=a+2a=3a
a+2a+3a=60
6a=60 /:6
a=10
b=2*10=20
c=10+20=30
b=2a
c=a+b=a+2a=3a
a+2a+3a=60
6a=60 /:6
a=10
b=2*10=20
c=10+20=30