65+5*9:3+4-2*8:6(90+50*3)-6
1) 5*9:3 = 15
2) 90+50*3 = 240
3) 2*8:6*240 = 640
65 + 15 + 4 - 640 - 6 = -562
65+5*9:3+4-2*8:6(90+50*3)-6
1) 5*9:3 = 15
2) 90+50*3 = 240
3) 2*8:6*240 = 640
65 + 15 + 4 - 640 - 6 = -562