Răspuns :
a+t =35
t=6a
a+6a =35
7a=35
a=35:7
a=5
t=6×5
t=30
Alex are 5 ani
Tatăl sau are 30 ani
t=6a
a+6a =35
7a=35
a=35:7
a=5
t=6×5
t=30
Alex are 5 ani
Tatăl sau are 30 ani
l---------l alex }
l---------l---------l---------l---------l--------l---------l tata } 35 suma
1+6=7 segmente egale
35:7=5 alex
5x6=30 tata
l---------l---------l---------l---------l--------l---------l tata } 35 suma
1+6=7 segmente egale
35:7=5 alex
5x6=30 tata