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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 -26.31+51.52×1.10-1/2×12.93×(1.10)^2-1/2×20.41×1.45×(1-2/3×1.45)-1/2×12.93×(1.10-1.45)^2 .
Question type: Mathematical calculation
Solution:
-26.31+51.52×1.10-1/2×12.93×(1.10)^2-1/2×20.41×1.45×(1-2/3×1.45)-1/2×12.93×(1.10-1.45)^2
=-26.31+51.52×1.10-1/2×12.93×1.1^2-1/2×20.41×1.45×(1-2/3×1.45)-1/2×12.93×(1.10-1.45)^2
=-26.31+51.52×1.10-1/2×12.93×1.1^2-1/2×20.41×1.45×0.033333-1/2×12.93×(1.10-1.45)^2
=-26.31+51.52×1.10-1/2×12.93×1.1^2-1/2×20.41×1.45×0.033333-1/2×12.93×(-0.35)^2
=-26.31+51.52×1.1-1/2×12.93×1.21-1/2×20.41×1.45×0.033333-1/2×12.93×(-0.35)^2
=-26.31+51.52×1.1-1/2×12.93×1.21-1/2×20.41×1.45×0.033333-1/2×12.93×0.1225
=-26.31+56.672-1/2×12.93×1.21-1/2×20.41×1.45×0.033333-1/2×12.93×0.1225
=-26.31+56.672-0.5×12.93×1.21-1/2×20.41×1.45×0.033333-1/2×12.93×0.1225
=-26.31+56.672-6.465×1.21-1/2×20.41×1.45×0.033333-1/2×12.93×0.1225
=-26.31+56.672-7.82265-1/2×20.41×1.45×0.033333-1/2×12.93×0.1225
=-26.31+56.672-7.82265-0.5×20.41×1.45×0.033333-1/2×12.93×0.1225
=-26.31+56.672-7.82265-10.205×1.45×0.033333-1/2×12.93×0.1225
=-26.31+56.672-7.82265-14.79725×0.033333-1/2×12.93×0.1225
=-26.31+56.672-7.82265-0.493237-1/2×12.93×0.1225
=-26.31+56.672-7.82265-0.493237-0.5×12.93×0.1225
=-26.31+56.672-7.82265-0.493237-6.465×0.1225
=-26.31+56.672-7.82265-0.493237-0.791963
=30.362-7.82265-0.493237-0.791963
=22.53935-0.493237-0.791963
=22.046113-0.791963
=21.25415
Answer:-26.31+51.52×1.10-1/2×12.93×(1.10)^2-1/2×20.41×1.45×(1-2/3×1.45)-1/2×12.93×(1.10-1.45)^2=21.25415