Răspuns :
D+S=37
D+3S=73
D=37-S 37-S+3S=73 2S=73-37=36
S=36/2=18
D=37-18=19
Deci doua dictionare ar costa = 2x19=38 lei
D+3S=73
D=37-S 37-S+3S=73 2S=73-37=36
S=36/2=18
D=37-18=19
Deci doua dictionare ar costa = 2x19=38 lei
Dictionar=d
stilou=s
3s+1d=83 "-"
1s+1d=37
--------------
2s= 46
s=23
23+1d=37
d=14
23+23+14+14=74 lei
stilou=s
3s+1d=83 "-"
1s+1d=37
--------------
2s= 46
s=23
23+1d=37
d=14
23+23+14+14=74 lei