Question

нужна помощь !!! - 2 1/7 : 1 11/14 + 13,2

Answer 1

= -15/7 : 25/14 + 13 2/10 = -15/7 * 14/25 + 13 1/5 = - 3/5 + 13 1/5 = -1 1/5 + 13 1/5 = 12

Answer 2

- 2 1/7 : 1 11/14 + 13,2=12
1) - 2 1/7 : 1 11/14 =-15/7*14/25=-6/5=-1 1/5
2)-1 1/5+13,2=-1,2+13,2=12