РЕБЯТ РЕШИТЕ, МНЕ
2) 12 3/4-(6 5/6-4 1/2)+1 2/3=
3) 12 3/4-(6 5/6-4 1/2+1 2/3)=
4) 12 3/4-[6 5/6-(4 1/2+1 2/3)]=
366. 1) (45 1/2-2 3/8)-(5 5/6+6 3/4)+(10 2/3-5 5/8)=
2) (36 4/5-12 3/10-4 2/15-1 1/30)-20 11/12-10 3/8- 3/16-3 1/48)=
3) (12 1/2-3 5/6)-(2 8/9+1 4/5)-(5 5/8-4 3/4)-(6 9/40- 5 11/90)=
4)56 2/21-{(1 5/6+2 13/14)+[27 13/30-(15 5/12-12 13/20)]}=