Question

reconstituie impartirile despre care ai urmatoarele informatii:
a:b=c(rest r), a+b+c+r=55,b+c+r=16,a+r=42​

Answer 1

Răspuns:

$a+b+c+r=55,b+c+r=16,a+r=42\\\\a+16=55= > a=55-16= > a=39\\\\39+r=42= > r=42-39= > r=3\\\\b+c=16-3= > b+c=13\\\\a:b=c(rest r)= > a=b*c+r= > 39=bc+3= > bc=36\\\\b+c=13\\\\b=9;c=4;c=9;b=4\\\\39:9=4 rest 3\\\\39:4=9 rest3$