Обратите десятичную дробь в обыкновенную и найдите значение выражения: Е. 1 1/9 + 2,75 + 1/3 = Н. 2,25 + 11 1/15 - 7 1/6 = И. 7,6 - 4 2/3 + 2 1/15 = С. 8,5 + 5/6 - 6,25 = В. 2,25 + 11 1/15 - 7 1/6 = Т. 6,8 - 2 1/3 + 1,2=

1 1/9 + 2,75 + 1/3 =

= 1 1/9 + 2 75/100 + 1/3 =

= 1 1/9 + 2 3/4 + 1/3 =

= (1 1/9 + 3/9) + 2 3/4 =

= 1 4/9 + 2 3/4 = 1 16/36 + 2 27/36=

= 4 7/36

2,25 + 11 1/15 - 7 1/6 =

= 2 1/4 + 11 1/15 - 7 1/6 =

= 2 15/60 + 11 4/60 - 7 10/60 =

= 6 9/60 = 6 3/20 = 6,15

7,6 - 4 2/3 + 2 1/15 =

= 7 3/5 - 4 2/3 + 2 1/15 =

= 7 9/15 - 4 10/15 + 2 1/15 =

= 5

8,5 + 5/6 - 6,25 =

= 8 1/2 + 5/6 - 6 1/4 =

= 8 6/12 + 10/12 - 6 3/12 =

= 3 1/12

2,25 + 11 1/15 - 7 1/6 =

= 2 1/4 + 11 1/15 - 7 1/6 =

= 6 3/20 = 6,15

6,8 - 2 1/3 + 1,2 =

= 6 4/5 - 2 1/3 + 1 1/5 =

= 6 12/15 - 2 5/15 + 1 3/15 =

= 5 10/15 = 5 2/3