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Current location：Mathematical operation > History of Mathematical Computation > Answer
Overview: 1 questions will be solved this time.Among them
☆1 arithmetic calculations
[1/1 Formula]
Work: Calculate the value of equation -90-arctan0.1×100-arctan0.01×100-arctan(1/0.375)*100-arctan(1/84.85)*100+arctan(1/3)*100+arctan(1/10.61)*100 .
Question type: Mathematical calculation
Solution:
-90-arctan0.1×100-arctan0.01×100-arctan(1/0.375)*100-arctan(1/84.85)*100+arctan(1/3)*100+arctan(1/10.61)*100
=-90-arctan0.1×100-arctan0.01×100-arctan2.666667*100-arctan(1/84.85)*100+arctan(1/3)*100+arctan(1/10.61)*100
=-90-arctan0.1×100-arctan0.01×100-arctan2.666667*100-arctan0.011786*100+arctan(1/3)*100+arctan(1/10.61)*100
=-90-arctan0.1×100-arctan0.01×100-arctan2.666667*100-arctan0.011786*100+arctan0.333333*100+arctan(1/10.61)*100
=-90-arctan0.1×100-arctan0.01×100-arctan2.666667*100-arctan0.011786*100+arctan0.333333*100+arctan0.094251*100
=-90-0.099669×100-arctan0.01×100-arctan2.666667*100-arctan0.011786*100+arctan0.333333*100+arctan0.094251*100
=-90-0.099669×100-0.01×100-arctan2.666667*100-arctan0.011786*100+arctan0.333333*100+arctan0.094251*100
=-90-0.099669×100-0.01×100-1.212026*100-arctan0.011786*100+arctan0.333333*100+arctan0.094251*100
=-90-0.099669×100-0.01×100-1.212026*100-0.011785*100+arctan0.333333*100+arctan0.094251*100
=-90-0.099669×100-0.01×100-1.212026*100-0.011785*100+0.32175*100+arctan0.094251*100
=-90-0.099669×100-0.01×100-1.212026*100-0.011785*100+0.32175*100+0.093973*100
=-90-9.9669-0.01×100-1.212026*100-0.011785*100+0.32175*100+0.093973*100
=-90-9.9669-1-1.212026*100-0.011785*100+0.32175*100+0.093973*100
=-90-9.9669-1-121.2026-0.011785*100+0.32175*100+0.093973*100
=-90-9.9669-1-121.2026-1.1785+0.32175*100+0.093973*100
=-90-9.9669-1-121.2026-1.1785+32.175+0.093973*100
=-90-9.9669-1-121.2026-1.1785+32.175+9.3973
=-99.9669-1-121.2026-1.1785+32.175+9.3973
=-100.9669-121.2026-1.1785+32.175+9.3973
=-222.1695-1.1785+32.175+9.3973
=-223.348+32.175+9.3973
=-191.173+9.3973
=-181.7757
Answer:-90-arctan0.1×100-arctan0.01×100-arctan(1/0.375)*100-arctan(1/84.85)*100+arctan(1/3)*100+arctan(1/10.61)*100=-181.7757
Note: Radian