資訊融入數學課程,以surfer 軟體為例
TRANSCRIPT
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1
Surfer
1.
2015 12 6
SURFER Bianca
VioletViolet Imaginary
Surfer snowman
2.
2.1 P(x1, y1), Q(x2, y2)
PQ (x1 x2)2 + (y1 y2)2
2.2
1 5
(5, 0), (0, 5), (3, 4 )
2
3 1
P(x, y) (0,0) 5
(x 0)2 + (y 0)2 = 5
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2
x2 + 2 25 = 0
41
1: x2 + 2 3 = 0
2: (x 3)2 + ( 1)2 4 = 0
3: (x + 2)2 + ( 1)2 9 = 0
2.3
5 x2 + 2 25 = 0
z
surfer
2
surfer x2 + z2 25 = 0 y2 + 2 25 = 0
x, y, z
1
2
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3
2.4
2.4.1
AB=0 A=0 B=0
2.4.2
surfer xy = 0 x = 0 y = 0
xy = 0 x y
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4
2.4.3
surfer
(y2 + z2 25) (x2 + z2 25) = 0
2.5
2.5.1
6 5 4 3
A G
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5
2.5.2
5.1 1 3
P(x1, y1, z1), Q(x2, y2, z2)
PQ (x1 x2)2 + (y1 y2)2+(z1 z2)2
2.5.3
4
2.5.4.
Surfer snowman
3
3 Surfer
5
4
3
G
A
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6
3.
Bianca Violet Surfer
Surfer
4.
Imaginary Snowman
https://imaginary.org/sites/default/files/snowman_bridges2015_0.pdf