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
arc tg 0.4440
0.7-cos111
(x-3)(x-1/5)
0.012*(0.54-a)=0.013*(a-0.59)
(x-0.59÷0.012) = (0.54-x÷0.013)
(1400*180*90+700*105*220+400*1800*900)/(1400*180+700*105+400*1800)
(k-390)^4/(k^2+20k) =0.7^4
(x-390)^4
x^2+16=(4√5-x)^2
x^2+16+90+x^2-8√5x
(1800*180*90+700*120*7/8*220+400*1800*900)/(1800*180+700*120*7/8+400*1800)
130/35
15.3*752.16^0.3333
13*752.16^0.3333
14*752.16^0.3333
46=43+3
46=46
43=46
43x=46
20x^3-7x^2-9x=13
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