<span>(-n)(-n)(-n(-n)(-1/3m)(-3p)=n</span>⁴<span>mp</span>
На 2 : 2,4,6,8,10,20,30,40,50,100,150
на 5 : 5,10,15,20,25,30,35,45,50,75,195
на 2и5:10,20,30,40,50,60,70,80,90,150,160,190,250
на 10: 10,20,30,40,50,100,150,160,190,200,230,250,260,1000
10/7 * 2 = 20/7 = 2 целых 6/7