Răspuns :
a+b= 80
a__|__|__|__|__|__|
b__|__|__|__|__|.....|
1) 80:10 =8 (1 segment)
2) 8×4= 24 (b)
3) 8×6=48 (a)
Ultimul segment de la ..a.. trebuie dus la segmentul punctat de la ..b..
a__|__|__|__|__|__|
b__|__|__|__|__|.....|
1) 80:10 =8 (1 segment)
2) 8×4= 24 (b)
3) 8×6=48 (a)
Ultimul segment de la ..a.. trebuie dus la segmentul punctat de la ..b..
a-primul nr
b-al doilea nr
a+b=80
a-1\6a=b+1\6a
5\6a=b+1\6a
5\6a-1\6a=b
4\6a=b
Si inlocuim in ecuatia de mai sus
a+4\6a=80
10\6a=80
a=80:10\6
a=80×6\10
a=48
b=80-48
b=32
Sper ca e corect!!