Răspuns :
a+b+c=0,75+3,2=3,95
2a+b+c=2x0,75+3,2=1,5+3,2=4,7
3a+2b+2c
3x0,75+3,2 x 2 =2,25+6,4=8,65
Sper ca te-am ajutat :D !
2a+b+c=2x0,75+3,2=1,5+3,2=4,7
3a+2b+2c
3x0,75+3,2 x 2 =2,25+6,4=8,65
Sper ca te-am ajutat :D !
a) a+b+c= 0.75+3.2= 3.95
b) 2a+b+c=0.75×2+3.2=1.50+3.2= 4.70
c) 3a nu este egal cu 2b+2c, dar cred ca te refereai la 3a+2b+2c= 3×0.75+2×(b+c)= 2.25+2×3.2= 2.25+ 6.40= 8.65
b) 2a+b+c=0.75×2+3.2=1.50+3.2= 4.70
c) 3a nu este egal cu 2b+2c, dar cred ca te refereai la 3a+2b+2c= 3×0.75+2×(b+c)= 2.25+2×3.2= 2.25+ 6.40= 8.65