Ответ: 4.63(8).
Пошаговое объяснение:
(2 4/15 - 1 5/12):3/5+6 4/9 : 2= 4.63(8).
1) 2 4/15 - 1 5/12=2 16/60 - 1 25/60 = 1 16/60-25/60 = 76/60-25/60=51/60;
2) 51/60:3/5 = 17/12;
3) 6 4/9:2 = (6*9+4)/9 : 2=29/9=3 2/9;
4) 17/12+3 2/9 = 167/36 = 4.63(8).
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Ответ: 4.63(8).
Пошаговое объяснение:
(2 4/15 - 1 5/12):3/5+6 4/9 : 2= 4.63(8).
1) 2 4/15 - 1 5/12=2 16/60 - 1 25/60 = 1 16/60-25/60 = 76/60-25/60=51/60;
2) 51/60:3/5 = 17/12;
3) 6 4/9:2 = (6*9+4)/9 : 2=29/9=3 2/9;
4) 17/12+3 2/9 = 167/36 = 4.63(8).