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
2×81= 31×8= 61×9=
(2,6)(4,-40
37×3= 30×4= 34×5= 30×6= 50×6= 30×7= 2×80= 30×8= 60×9= 2×81= 31×8= 61×9=
41×6= 75×5= 30×6= 30×5= 30×2= 22×4= 38×5= 34×2= 30×3=
45×5= 41×2= 54×4= 62×5= 45×2= 71×3= 45×3= 41×9= 41×5=
11×7= 18×7= 30×3=
10×2= 12×6= 15×5= 37×6= 6×50= 10×4= 6×60= 10×5= 71×6= 11×7= 18×7= 30×3=
56×4= 70×5= 3×19= 10×7= 44×3= 11×4= 40×1= 10×1= 40×2=
16×8= 6×40= 5×50= 13×4= 70×4= 10×5= 11×5= 18×8= 6×10=
(3,4)
21×3= 17×8= 12×2= 60×3= 12×4= 60×4= 4×70= 60×5= 4×80=
70×7= 10×7= 30×7= 22×4= 62×4= 12×8= 4×80= 20×6= 4×20=
(4,-4)
18×8= 30×2=
(2,6)
(2,-6)
10×3= 12×9= 19×6= 11×7= 7×50= 10×5= 7×60= 16×6= 72×7= 11×8= 18×8= 30×2=
2➗2/3=
14×6= 52×7= 2×19= 10×8= 14×2= 41×6= 40×2= 78×2= 40×3=
10×2= 2×40= 6×53= 13×5= 70×5= 10×6= 24×6= 2×80= 7×10=
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