Question

(3 целых 27-4)*(-75)-(-8)*3

Answer 1

1)3 2/7  -  4 = 23/7  -  4 =(23 * 1  -  4 * 7)/7 = 23/7  -  28/7 =  - 5/7
2)- 5/7  *  (- 7/5) =35/35= 1
3) -8*3= -24
4)1-(-24)=25
ответ 25