5•(48:6+2:2)–280:20•3+(50–32 ):9
5*(48:6+2:2) - 280:20*3+(50-32):9= 1) 48:6+2:2 = 8+1 = 9 2) 50-32 = 18 3) 5*9 = 45 4) 280:20*3 = 42 5) 18:9 = 2 6) 45 - 42 + 2 = 5
= 5*9- 280/20*3+18/9=45-14*3+2=45-42+2=5