((7\9 : 47\72): 1,25 =224/235
7 47 7 72
--- : --------- = ------ * -------- = сокращаем 72:9=8 и 9:9=1
9 72 9 47
7 8 56
= -------- * ----------- = -----------
1 47 47
125
1,25 = -----------
100
56 125 56 100 5600
------- : ---------- = ---------- * ---------- = --------------- =
47 100 47 125 5875
224
сокращаем на 25 = -----------
235