4 целых 3/5:(1 целая 2/3- 3 целых 1/5)+1 целая 3/8=-1 5/8
1) 1 2/3- 3 1/5=5/3- 16/5=25/15- 48/15=-23/15
2) 4 3/5 : (-23/15)= 23/5* (-15/23)=-15/5=-3
3) -3+ 1 3/8= -3+ 11/8=-24/8+11/8=-13/8=- 1 5/8
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4 целых 3/5:(1 целая 2/3- 3 целых 1/5)+1 целая 3/8=-1 5/8
1) 1 2/3- 3 1/5=5/3- 16/5=25/15- 48/15=-23/15
2) 4 3/5 : (-23/15)= 23/5* (-15/23)=-15/5=-3
3) -3+ 1 3/8= -3+ 11/8=-24/8+11/8=-13/8=- 1 5/8