600 40 20 8=18600 40 20 8=548600 40 20 8=308600 40 20 8=24028600 40 20 8=23840
1) 600 : (40 + 20) + 8 = 600 : 60 + 8 = 10 + 8 = 18
2) 600 - 40 - 20 + 8 = 548
3) 600 : 40 * 20 + 8 = 15 * 20 + 8 = 300 + 8 = 308
4) 600 * 40 + 20 + 8 = 24000 + 20 + 8 = 24028
5) 600 * 40 - 20 * 8 = 24000 - 160 = 23840