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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 2022×2021-2021×2020-2020×2019+2019×2018 .
Question type: Mathematical calculation
Solution:
2022×2021-2021×2020-2020×2019+2019×2018
=4086462-2021×2020-2020×2019+2019×2018
=4086462-4082420-2020×2019+2019×2018
=4086462-4082420-4078380+2019×2018
=4086462-4082420-4078380+4074342
=4042-4078380+4074342
=-4074338+4074342
=4
Answer:2022×2021-2021×2020-2020×2019+2019×2018=4