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It supports mathematical functions (including trigonometric functions).
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 (500×12×(-0.5×12)+500×12×(0.5×12+12)+2×2×(400-12)×12×(0.5×(400-12)+12+12))/(2×500×12+2×2×(400-12)×12) .
Question type: Mathematical calculation
Solution:
(500×12×(-0.5×12)+500×12×(0.5×12+12)+2×2×(400-12)×12×(0.5×(400-12)+12+12))/(2×500×12+2×2×(400-12)×12)
=(500×12×(-6)+500×12×(0.5×12+12)+2×2×(400-12)×12×(0.5×(400-12)+12+12))/(2×500×12+2×2×(400-12)×12)
=(500×12×(-6)+500×12×18+2×2×(400-12)×12×(0.5×(400-12)+12+12))/(2×500×12+2×2×(400-12)×12)
=(500×12×(-6)+500×12×18+2×2×388×12×(0.5×(400-12)+12+12))/(2×500×12+2×2×(400-12)×12)
=(500×12×(-6)+500×12×18+2×2×388×12×(0.5×388+12+12))/(2×500×12+2×2×(400-12)×12)
=(500×12×(-6)+500×12×18+2×2×388×12×218)/(2×500×12+2×2×(400-12)×12)
=4132032/(2×500×12+2×2×(400-12)×12)
=4132032/(2×500×12+2×2×388×12)
=4132032/30624
=134.9279
Answer:(500×12×(-0.5×12)+500×12×(0.5×12+12)+2×2×(400-12)×12×(0.5×(400-12)+12+12))/(2×500×12+2×2×(400-12)×12)=134.9279