Question

50 баллов срочно прошу Математика

Answer 1

3 7/15*0,25+5/6-1 2/5
------------------------------- =
5,4: (3/20 + 0,75)
52*0,25/15 + 25/30- 7*6/30
---------------------------------- =
5,4 : (3*5/100 + 75/100)
13/15 + 25/30-42/30
------------------------------- =
5,4 : (15/100 + 75/100)
26/30-17/30
------------------- =
54/10 : 90/100
9/30
------------------- =
54/10 * 10/9
3/10
------- = 3/10 *1/6= 1/20=0,05
6