arithmogons bengt Åhlander arithmogons. a way to variate the education and perhaps show the...
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ARIT
HM
OGO
NS
BENGT ÅHLANDER
ARITHM
OGONS
ARITHMOGONS
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ARIT
HM
OGO
NS
A WAY TO VARIATE THE EDUCATION AND PERHAPS SHOW THE STUDENTS THE BENEFITS OF CAS
ARITHM
OGONS
ARITHMOGONS
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Arithmogons addition
•4+8=?•8+3=?•3+4=?
3
8
4
12 11
7
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Arithmogons addition
•8+10 =?•10+6 =?•6+8 =?
6
10
8
18 16
14
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Arithmogons addition
• Try to find the numbers!• Is there a pattern?
10
4
7
11 14
17
?
?
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Arithmogons addition
• Sum of the squares =
• • Sum of the circles =
11
9
2
11 20
13
44
22
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Arithmogons addition
16
-2
11
9 14
27 24
-5
19
14 19
43
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Arithmogons addition
• (a+b)+(b+c)+(a+c)=2*(a+b+c)
a c
b
a +b b + c
a + c
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Arithmogons addition and algebra
6a a
3a
9a 4a
7a
?
?
2b + 2 b
b + 6
3b+8 2b+6
3b+2
?
?
?
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Arithmogons addition and algebra
2b + 2 b
b + 6
3b+8 2b+6
3b+2
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Arithmogons addition andpartial fractions
1
1x 1
2x
1
x
2𝑥+3¿¿
2𝑥+1¿¿¿¿
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Arithmogons addition andpartial fractions
1
x
12𝑥+1
21−2𝑥
3𝑥+1¿¿
−1¿¿
¿¿
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Arithmogons addition andpartial fractions
4 𝑥 ^ 2−𝑥−1¿¿ ¿¿
11𝑥−1¿¿
12𝑥−1
43𝑥+3
2𝑥𝑥−1
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Arithmogons addition andpartial fractions
1𝑥
1𝑥+1
2𝑥−1
2𝑥2+𝑥+1¿¿2𝑥2−3 𝑥−1
¿¿
¿¿
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Arithmogons addition fractions
TI Nspire CAS
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• Make a straight line beetwen the dots and decide the equation of the lines.
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• Chainrule at derivation of two factors
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• Chainrule at derivation of two factors