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
21×40= 74×20= 52×20= 25×30= 14×30= 18×20= 13×30= 25×3= 14×3=
16×5= 26×3= 20×5= 27×4= 16×50= 26×30= 20×50= 27×40= 16×500=
[1.2×(65+0.135+0.45+0.333)+1.4×(3.0+2.0+2.0)]
17×4= 28×20= 18×20= 20×20= 17×40= 28×200= 18×200= 20×200= 17×400=
14×50= 24×20= 37×600= 19×200= 14×500= 24×200= 28×2= 18×2= 20×2=
20×20= 15×30= 27×300= 16×300= 20×200= 15×300= 37×6= 19×2= 14×5=
14×400= 16×200= 14×200= 27×3= 16×3= 20×2= 15×3= 27×30= 16×30=
17×2= 14×4= 16×2= 14×2= 17×20= 14×40= 16×20= 14×20= 17×200=
109400/(0.9×0.606×540)+60000/(0.8×0.85×540)
109400/(0.9×0.606×540)+60000/(0.8×0.76×540)
lg(sqrt(101)+10)-lg(sqrt(101)-10)
lg(110)-lg(90)
10^1.04
lg(9)
lg(11)
ln(10)
ln(10-1)
ln(10+1)
30×4= 19×50= 29×30= 23×50= 30×40= 19×500= 29×300= 23×500= 30×400=
26.93*8.6+338.75*4.1-(38.05*(4.6+0.9)+220.12*(1.63+0.9)+(112*0.9+6.14*0.9*0.9)*(112*3+6.14*0.9)/(112*2+6.14*0.9)*0.9/3)
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