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 Inequality Computation
(25+x)(800-x/3×20)≥20000
13m^2/25<1
m^2/576+81m^2/256<0
5x²-x-6>0
-2e^2
2a<1+2a+a^2
1+a^2>0
1-a^2<2a
1-a^2<2a 1+a^2>0
x^2>0
x^3>0
0
1/k+1-0.9^k<1
25x+18(100-x)<=2000
-2x²+x+1<0
(x+4)(x-3)^2>=0
x^2-3x+2/x^2-2x-3≤0
x-3/2x>0
x((60-12x)/25)>72/25
2x*x-5x-3>0
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