5o+7v=17 I x2
2o+5v=9 I x5 si le scad(metoda reducerii)
25v-14v= 45-34
11v=11
v=1 m
o=9-5 : 2 =2 m
verific: 5*2+7=17 ok
-------------------------------
Deci dupa 60 sarituri avem
pt ogar: 60x2=120 m
pt vulpe: 60x1=60 m.
***********************************************
30l+45m=360
6l=9m si inlocuim in prima ecuatie
5x9m + 45m = 360
90m=360
m=4
l=9m/6=3m/2=3x4/2 = 6
Verificare: 6x6 = 9x4 =36, corect.
****************************************
30l+45m=360
6l=9m si inlocuim in prima ecuatie
5x9m + 45m = 360
90m=360
m=4
l=9m/6=3m/2=3x4/2 = 6
Verificare: 6x6 = 9x4 =36, corect.