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
sin(65)
tan(65)
√10×√5
10000*12-1500*12-400*12-600*12-5000*12-400*12-3600
10000*12-1500*12-400*12-600*12-5000*12-400*12-3600+8000*0.8
162000*0.2-16920
300000*0.8-1500*12-60000
222000*0.2-60000-16920
222000*0.2-16920
300000*0.8-1500*12
(10000-1500-5000-1000)*12-3000-1000*10+(700*4*6+3000*0.7)*0.8
(10000-1500-5000-1000)*12-3000-1000*10+(700*4*7+3000*0.7)*0.8
(10000-1500-5000-1000)*12-3000-1000*10+(700*4+3000*0.7)*0.8
(10000-1500-5000-1000)*12-3000-1000*10+(700*4+3000)*0.8
12+26
(10000-1500-5000-1000-2000)*12+(700*4-800)+(3000-800)
(10000-1500-5000-1000-2000)+(700*4-800)+(3000-800)
-(3000 + 35^2)
5*1
0.95×361
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