4х6-27:3+5х0=
20:5+6х2-7:7=
4х6-27:3+5х0= 24 - 9 + 0 = 15
20:5+6х2-7:7= 4 + 12 - 1 = 15
4x6-27:3+5x0=20:5+6x2-7:7
24-9=4+12-1
15=15