20:4*8+28:4*7= 14+12:6*8-45:5= 18+27:3*8-8*= 35:5-16:4+9*9=

Question

20:4*8+28:4*7= 14+12:6*8-45:5= 18+27:3*8-8*= 35:5-16:4+9*9=

Answer 1

20:4*8+28:4*7=5*8+7*7=40+49=89
14+12:6*8-45:5=14+2*8-9=14+16-9=30-9=21
18+27:3*8-8=18+9*8-8=18+72-8=90-8=82
35:5-16:4+9*9=7-4+81=3+81=84