1)1/3+1/5+1/6+1/4=114/120=57/60
2)1-57/60=3/60=1/20
3)6:1/20=120 -всего
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1)1/3+1/5+1/6+1/4=114/120=57/60
2)1-57/60=3/60=1/20
3)6:1/20=120 -всего