48:8+32-54:6 (35+65)-21-(16+8) 86+35:5-19+25 18:3*4+27+40:6 + 32 - 9 (100) - 21 - 26 + 32 - 900 - 21 - 20 - 900 - 21 - 2-945 - 21 - 2-966 - 2-990
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:
6 + 32 - 9 (100) - 21 - 2
6 + 32 - 900 - 21 - 2
0 - 900 - 21 - 2
-945 - 21 - 2
-966 - 2
-990
The final answer is -990.