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
2/1
30000×(1+r)^-1+30000×(1+r)^-2+30000×(1+r)^-3+30000×(1+r)^-4+30000*(1+r)^-5+500000*(1+r)^-5=526730
30000×(1+r)^-1+30000×(1+r)^-2+30000×(1+r)^-3+30000×(1+r)^-4+30000*(1+r)^-5+500000*(1+r)^5=526730
700000*(1+r)^-5=397200
40000×(1+r)^-1+40000×(1+r)^-2+40000×(1+r)^-3+40000×(1+r)^-4+40000(1+r)^-5+500000×(1+r)^-5=560000
1925/0.7
1925*0.7
66+(13.7*83)+5*173-6.8*21
8.15*π*a-180sin(a)=72*8.15*π
8.15*3.14a-180sin(a)=72*8.15*3.14
ln3:ln2
ln3/ln2
(x-2)+(x+2)+x/2+2x=45
31*56
(sqrt(472-57.6)-2)/3
(sqrt(472-52.8)-2)/3
sqrt(472-52.8)-2
409600×0.8
102400×0.8
1000000+800000+640000+512000+409600
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