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Comments to #11 All comments (8)
5
1.
Lea 2 year s ago
#6 is a makesh#t and cheap device for catching insects due to ecological surveys. Doing these surveys is mandatory in Germany before building bigger infrastructures such as Highways and Bridges to determine for wich critters new habitats have to be found.
       
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Lea 2 year s ago
Lea,

*Makeshift
       
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-7
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Iona 2 year s ago
#11
Not buying it. There are numbers on the chart with solid distinct colors that are most definitely NOT primes.
       
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Cynthia 2 year s ago
2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97
Check!
       
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5.
Ollie 2 year s ago
#11 is related to multiplication.
for example 2 is blue...3 is red...5 is yellow
so, for example, 15 is 1 yellow and 1 red, this is 3x4
the 16 has 4 strips of blue, this is 4x2
the 25 has 2 strips of yellow, this is 5x5

they could never be prime numbers.... there are plenty of them that aren't....
       
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Ollie 2 year s ago
Ollie, ..."for example, 15 is 1 yellow and 1 red, this is 3x4" ....... i mean 3x5 (I clicked on the button to the side)
       
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7.
Ollie 2 year s ago
Ollie,"this is 4x2" lol....it is 4x4

every time I write I only see that I wrote it wrong
       
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8.
Wilber 2 year s ago
#8 Fart tubes mocking
       
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“Found in my math teacher’s room — 100 squares with varying patterns and colors. No patterns seem to be the same.”

Answer: “It’s a prime factorization chart and a demonstration of The Sieve of Eratosthenes. Note that primes are of solid distinct color.”

 

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