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
arctan(3*tan(360))
arctan(3*tan(0))
(3/10+3/8)*-13/3-11/3
-3*-3-3
405*2.54^((28-25)/10)=
31*870+13*310
7000+100-421.33
=60%
=60%
=60%
(18*0.6*2000+15*0.6*1500+12*0.6*1000)/(18*2000+15*1500+12*1000)
(18*0.6*2000+15*0.6*1500+12*0.6*1000)/(18*2000+15*15000+12*1000)
(18*0.6*2000+15*0.6*1500+12*0.6*1000)/18*2000+15*15000+12*1000
5000/(12*200+10*500+9*600)
(12-9)*200+(10-6)*500+4*600
3*5
-5-7
cos-1/2
7-(-5)
2.4×3.5+6.5÷1.3
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