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
172÷319
√131345
219/sqrt(126922)
-281/sqrt(126922)
−219/sqrt(126922)
arccos0.9=
arccos1
arccos0.65
e(-1×(2-sqrt(4-1))×2×X) = 1
600/(1+3%)+600/(1+3%)^2+30600/(1+3%)^3
2X=93
s/2.5=27.5%/s-1
s^2+2.5s-0.6875=0
tan2a=-1.03
tan1a=-1.03
tanb=1.03
tana=1.03
tan2a=1.07
15*cosx/4*sinx+5√3/4=42*sinx*cosx
42*sinx*cosx=√3/2*cosx+5√3/4
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