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Simplificati fractia

Simplificati Fractia class=

Răspuns :

Simplifca fractia ordinara:
315/320=?
a/b=(a:cmmdc (a,b))/(b:cmmdc (a,b))
315/320=
(3²*5*7)/([tex]2^{6}*5[/tex])=
((3²*5*7):5)/(([tex]2^{6}*5[/tex]):5)=
(315:5)/(320:5)=
63/64