Question

[(16 2/7*10 3/4+8,4)*1/2-6,5]:5=
/- kreska ułamkowa
*- mnożenie

Answer 1

[(16 2/7*10 3/4+8,4)*1/2-6,5]:5=[(114/7 * 43/4 + 84/10)*1/2-65/10]:5 = [(57/7 * 43/2 )+42/5)*1/2 - 13/2] * 1/5 = [(2451/14 + 42/5)*1/2 - 13/2 ]*1/5 = [(12255/70 + 588/70)*1/2-13/2]*1/5 = [12843/70 * 1/2 - 13/2 ]*1/5 = [12843/140 - 13/2]*1/5 = 12843/140-910/140]*1/5 = 11933/140 * 1/5 = 11933/700 = 17 33/700