Răspuns :
x+y=56
×=6×y
Inlocuim x-ul in ecuatie
6y+y=56
7y=56/:7
y= 8
×=6×8
x=48
×=6×y
Inlocuim x-ul in ecuatie
6y+y=56
7y=56/:7
y= 8
×=6×8
x=48
a ........... ........... ......... ...... ..... .......
m ..........
6 segmente +1 = 7 segm
56/7 =8 nuci maria
6*8=48 nuci andrei
verificare:
48+8=56
m ..........
6 segmente +1 = 7 segm
56/7 =8 nuci maria
6*8=48 nuci andrei
verificare:
48+8=56