Răspuns:
a(b+c)=a*b+a*c=5/12+7/18.
amplificam 5/12 cu 3 si obținem: 15/36
amplificam 7/18 cu 2 si obtinem: 14/36
15/36+14/36=(15+14)/36=29/36
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Răspuns:
a(b+c)=a*b+a*c=5/12+7/18.
amplificam 5/12 cu 3 si obținem: 15/36
amplificam 7/18 cu 2 si obtinem: 14/36
15/36+14/36=(15+14)/36=29/36