Mathematics
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==equ==
Unary equation
Multivariate equation
==cal==
Solution inequality
Mathematical calculation
Fractional calculation
Mathematical statistics
Resolving prime factor
Fraction and Decimal Interactions
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==LiAl==
Determinant
Matrix multiplication
Inverse matrix
==der==
Derivative function
==img==
Function image
==que==
Q&A
current location:Mathematical operation > History of Mathematical Computation
tan12^2
180*50/3.1415926/5.208
180*50/3.1415926/3.958
180*50/3.1415926/3.886
180*50/2.963/3.1415926
3(1*1)
12加12除6
12加12除6
tanarccos0.91
[1748×(1+0.0586)×1.0969×1+0]×0.9963
[1-1/(1+8.0%)^62.30]/[1-1/(1+8.0%)^70]
[1748×(1+0.0586)×1.0969×1+0]×0.8883
[1-1/(1+8.0%)62.30]/[1-1/(1+8.0%)70]
e3
e
-10lg(1-0.3974)=
-10log(1.2)
-10log(0.3974)
-10log(1-0.3974)=
-10log(2.235)=
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