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1- ( ⅓ +¼+⅕+⅙)= 1- ( 20÷60 + 15 ÷60 + 12÷60 + 10 ÷60)
= 1 - 57 ÷60 =3÷60 =1÷20
Odp. Piąty pracownik otrzymał 1/20 wypłaty .
2 robotnik -¼
3 robotnik - ⅙
4 robotnik - ⅕
Wspolny mianownik z 1/3, 1/4, 1/6, 1/5 to 60
1/3 = 20/60
1/4 = 15/60
1/6 = 10/60
1/5 = 12/60
20/60 + 15/60 + 10/60 + 12/60 = 35/60 + 22/60 = 57/60
60/60 - 57/60 = 3/60 = 1/20
5 robotnik - 1/20