4(целых)1/5: (7/15: 1/3)= ( 5(целых)8/9 : 1 (целая)17/36+1(целая)1/4 - вопрос №41571513589117361145215804544 от sashanatashakes 10.06.2020 05:46

Question

Математика: 4(целых)1/5: (7/15: 1/3)= ( 5(целых)8/9 : 1 (целая)17/36+1(целая)1/4 ) * 5/21 =

sashanatashakes · Answer

4 1/5:(7/15:1/3)=31)7/15:1/3=7/15*3/1=7/52)4 1/5:7/5=21/5*5/7=21/7=3(5 8/9:1 17/36+1 1/4)*5/21=1 1/41)5 8/9:1 17/36=53/9:53/36=53/9*36/53=36/9=42)4+1 1/4=5 1/43)5 1/4*5/21=21/4*5/21=5/4=1 1/4...