Răspuns :
a - varsta fiicei
6a- varsta mamei
a+6a=35
7a=35
a=35:7
a=5 (varsta fiicei)
6a=5 x 6
6a= 30 (varsta mamei)
6a- varsta mamei
a+6a=35
7a=35
a=35:7
a=5 (varsta fiicei)
6a=5 x 6
6a= 30 (varsta mamei)
fiica /-----/
mama /-----/----/----/----/----/----/ }35
1+6 = 7 segmente egale
35 :7 = 5 un segment
fiica are 5 ani
mama are 5x6 = 30 ani
mama /-----/----/----/----/----/----/ }35
1+6 = 7 segmente egale
35 :7 = 5 un segment
fiica are 5 ani
mama are 5x6 = 30 ani