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Ex 12 nu inteleg cum se face.

Ex 12 Nu Inteleg Cum Se Face class=

Răspuns :

Dianageorgiana794

Răspuns:

a/3,5=b/2=c/0,5=k

a=3,5k

b=2k

c=0,5k

(3,5k+2k+0,5k)/3=24

3,5k+2k+0,5k=24×3

6k=72=>k=72:6=>k=12

a=3,5×12=>a=42

b=2×12=>b=24

c=12×0,5=>c=6

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