Ответы и объяснения

2014-01-19T15:51:19+04:00
1)60/5,60/12,60/40,60/45;
2)24/3,24/6,24/12,24/15,24/18;
3)100/5,100/10,100/20,100/25,100/50,100/75;
4)10/8,1000/30,1000/125,1000/250,1000/500,1000/800