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Mathematical calculation：
Enter the mathematical formula directly and click the "Next" button to get the calculation answer.
It supports mathematical functions (including trigonometric functions).
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: 2 questions will be solved this time.Among them
☆1 equations
☆1 arithmetic calculations
[1/2 Formula]
Work: Calculate the value of equation 27+207+2007+20007+200007 .
Question type: Mathematical calculation
Solution:
27+207+2007+20007+200007
=234+2007+20007+200007
=2241+20007+200007
=22248+200007
=222255
Answer:27+207+2007+20007+200007=222255
[ 2/2 Equation]
Work: Find the solution of equation sin30－(frac(1：2,3)) = 0 .
Question type: Equation
Solution:
the solutions is:
frac≈-0.009687 , keep 6 decimal places
There are 1 solution(s). *Note: Radian.
解方程的详细方法请参阅：《方程的解法》