Question

(7/10-2/5)*(1/4+5/6):6 целых 1/2

Answer 1

1) 7/10 - 2/5= 3/10
2)1/4 + 5/6= 13/12
3)3/10*13/12=39/120=13/40
4)13/40 : 6 целых 1/2= 13/40 : 13/2= 13/40 * 2/13= 1/20
ответ: 1/20