48:8+32-54:6 (35+65)-21-(16+8) 86+35:5-19+25 18:3*4+27+40:86 + 32 - 9 (100) - 21 - 246 + 32 - 900 - 21 - 240 - 900 - 21 - 24-945 - 21 - 24-966 - 24-990
The final answer is -990.
48:8+32-54:6 (35+65)-21-(16+8) 86+35:5-19+25 18:3*4+27+40:8
6 + 32 - 9 (100) - 21 - 24
6 + 32 - 900 - 21 - 24
0 - 900 - 21 - 24
-945 - 21 - 24
-966 - 24
-990
The final answer is -990.