Răspuns :

Răspuns:

Explicație pas cu pas:

a/1/4=b/1/6=c/1/8=(a+b+c)/(1/4+1/6+1/8)=390/(6+4+3)/24=390·24/13=720

a/1/4=720   ⇒a=720:4=180

b/1/6=720   ⇒b=720:6=120

c/1/8=720    ⇒c=720:8=90

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