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
x×11.95%=153
x×66.47%=688
688÷x=66.47
0 √3 √6 3 2√3
x+(x*13%)=100
3 4 4 16=12.25
4:36
e3
X^2=50^2+(X-6.19)^2
2【(30-2x)x+(20-2x)x】=200
2【(30-x)x+(20-x)x】=200
2(30-x)x+2(20-x)x=200
2(30-x)+2(20-x)=200
4(x-4)^2=400
2^2-2(2k-1)=(2k-1)^2
22-2(2k-1)=(2k-1)2
20t-5t^2=0
5x=7.2
4x^2-2x-1=0
(x-1)^2=6
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