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
71*12.19/7.93=
70.85*12.19/7.93=
70.85*12.1/7.93=
70.85*12.19/7.988=
70.85*12.19/8=
70.85*12.19/7.96=
sin20*sin40*sqrt3/4
sin20*sin40
18%*0.6+13%*0.6
15%*10*16.67%/(1-15%*10*16.67%)
[3/7+0.5*(-2/3)]*(-21/5)
2.75-[-0.5+(5/6)-(0.125-14/3)]
-3^3/(12/5)-(-2)^2*4
-(-2/3)^2
280/(1+12%)+302.4/(1+12%)^2+317.52/10%/(1+12%)^2
288.5/(1+12%)+317.35/(1+12%)^2+346.97/10%/(1+12%)^2
1163.5*0.5439
40*7.1078+1163.5*0.6446
40*6.8017+1163.5*0.5919
15*(1+5%)^9*(1000/20)
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