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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 0.19*21*21/19/19-0.42*21/19+1.49 .
Question type: Mathematical calculation
Solution:
0.19*21*21/19/19-0.42*21/19+1.49
=3.99*21/19/19-0.42*21/19+1.49
=83.79/19/19-0.42*21/19+1.49
=4.41/19-0.42*21/19+1.49
=0.232105-0.42*21/19+1.49
=0.232105-8.82/19+1.49
=0.232105-0.464211+1.49
=-0.232106+1.49
=1.257894
Answer:0.19*21*21/19/19-0.42*21/19+1.49=1.257894