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Enter the mathematical formula directly and click the "Next" button to get the calculation answer.
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 7911*378+3*(1+378)*378/2 .
Question type: Mathematical calculation
Solution:
7911*378+3*(1+378)*378/2
=7911*378+3*379*378/2
=2990358+3*379*378/2
=2990358+1137*378/2
=2990358+429786/2
=2990358+214893
=3205251
Answer:7911*378+3*(1+378)*378/2=3205251