4*(17/5-47/40)+12,5:6,25+3

Question

4*(17/5-47/40)+12,5:6,25+3

Answer 1

1) 17/5 - 47/40 = 136/40 - 47/40 = 89/40
2) 4· 89/40 = 89/10 = 8,9
3)12,5 : 6,25 = 2
4) 8,9 + 2 = 11,9
5) 11,9 + 3 = 14,9

Answer 2

4*((8*17-47)/40))+2+3=4/1*(89/40)+5=8,9+5=13,9