Marcumaria799ask
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daca x=1/3+1/4+1/5 si y= 2/3+3/4+4/5,atunci x+y este​

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Bontascristianraduask

Răspuns:

(20) (15) (12)

x=1/3 +1/4 1/5

(20) (15) (12)

y=2/3 +3/4 +4/5

x=20/60+15/60+12/60

y=40/60+45/60+48/60

x=47/60

y=133/60

47/60+133/60=180/60

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