Ответы
((79 : 4772): 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
(79 : 4772): 1,25=(7/9*72/49):1,25=8/7:1 целую 25/100= 8/7 : 125/100 = 8/7*100/125 = 200/31,25=6,4