Răspuns :
b 8,13-5,62=2,51
a 8,13-2,51=5,62
c 5,62-2,5=3,11
2a+5b+3c=2x5,62+5x2,51+3x3,11=11,24+12,55+9,33=33,12
Raspuns:33,12
a 8,13-2,51=5,62
c 5,62-2,5=3,11
2a+5b+3c=2x5,62+5x2,51+3x3,11=11,24+12,55+9,33=33,12
Raspuns:33,12