Mathematics
语言:
中文
Language:English
==equ==
Unary equation
Multivariate equation
==cal==
Solution inequality
Mathematical calculation
Fractional calculation
Mathematical statistics
Resolving prime factor
Fraction and Decimal Interactions
Lenders ToolBox
==LiAl==
Determinant
Matrix multiplication
Inverse matrix
==der==
Derivative function
==img==
Function image
==que==
Q&A
current location:Mathematical operation > History of Mathematical Computation
C(100,20)
e-0.3
2 000×(1+8%) -1
sqrt(4)/2
sqrt0.4|4
sqrt9
4^1/2
(-√7)^2+9
3乘以3/4
3-3/4
78×6×83/348
25×〖2.5〗^2/2
arctan 4
arctan 4
6×(-4)-(-4)×6
[0.3×(20%-8.5%)²+0.4×(10%-8.5%)²+0.3×(-5%-8.5%)2]½
[0.3×(20%-8.5%)²+0.4×(10%-8.5%)²+0.3×(-5%-8.5%)2]½
[0.3×(20%-8.5%)²+0.4×(10%-8.5%)²+0.3×(-5%-8.5%)2]½
(0.3*(0.3-0.145)*(0.3-0.145)+0.4*(0.1-0.145)*(0.1-0.145)+0.3*(0.05-0.145)*(0.05-0.145),1/2)
4+8
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