22-(4целая5/7+8,91+1,09)

Question

22-(4целая5/7+8,91+1,09)

Answer 1

4 5/7 это (4*7+5):5=6,6
6,6+8,91=15,51
15,51+1,09=16,6
22-16,6=5,4

Answer 2

22-(4 5\7+8,91+1,09)=22-(4 5\7+9)=22-13 5\7=8 2\7