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
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
(27000-3.88x)÷(25.99x+4.33x)=3.83%
28031.77= 10652.09+8807.82+ 2992.78+ 2986.07+2153.92+c
27685.43= 9966.78+9047.98+ 2992.78+ 3003.44+2178.86+c
z<38%(1.7887*12641.23+0.575342*12641.23-3024.97+1172.39)-(0.009679*12641.23+1054.1609+0.391781*12641.23-2373.65+0.057149*12641.23+626.04)
z>36%*(1.7887*12641.23+0.547945*12641.23-3024.97+1172.39)-(-0.030655*12641.23+1080.8344+0.409589*12641.23-2373.65+0.057149*12641.23+626.04)
l<0.45861*12641.23-1110.3091-0.448931*12641.23+2373.65-2164.47
l<(0.4336*12641.23+0.575342*12641.23-3024.97+582.29)/2.20-0.391781*12641.23+2373.65-0.05715*12641.23-209.18
L>(0.4336*12641.23+0.547945*12641.23-3024.97+582.29)/2.25-0.409589*12641.23+2373.65-0.05715*12641.23-209.18
a>2*12641.23×100/365-3295.57
(-2.5xx+20x-30)*(2-x)^2+(0.5xx-5x+8)*(0.5xx-6x+10)*(2-x)-(-0.5xx+4x-6)*((0.5xx-5x+8)+8(2-x)^2)
2×arctan(0.5×3.5)-arctan0.035-arctan35-arctan(0.025×3.5)
arctan1-arctan0.1-arctan0.1
arctan3.16-arctan0.0316-arctan31.6
arctan10-arctan0.1-arctan100
arctan10-arctan0.01-arctan100
398756114+x=72.8898*(4592822+x)
90+arctan(9.41×0.425)-arctan0.425-arctan(0.5×0.425)-arctan(110.68×0.425)
90-arctan(9.41×0.425)-arctan0.425-arctan(0.5×0.425)-arctan(110.68×0.425)
90+arctan(9.41×0.425)-arctan0.425-arctan(110.68×0.425)
90-arctan(9.41×0.425)-arctan0.425-arctan(110.68×0.425)
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