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
1500+(1200-90)*75%/(4%+6%*1.15)
1000+(1200-40)*75%/(4%+6%*1.10)
0+1200*75%/(4%+6%*1.05)
6^-2
-6^2
6^25
6^-25
1/9.8(33∧2sin30cos30+33cos30(33sin30∧2+19.6×3.1)∧0.5)
1.05^20
1.05^12
1.03^30
1.03^10
1/cos45+tan45 -1/cos0-tan0
1/cos45+tan45
1/cos30
1/cos45
(1+sin45)/cos45
15*14400/21+6*18000/21
cos(4/5*π)+cos(8/5*π)+cos(12/5*π)+cos(16/5*π)+cos(20/5*π)=
cos(4/5*π)=
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