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hyperpallium

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Questions (25)

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34	A way to directly see that the interior angles of triangle sum to $180^\circ$?
3	Are there other self-similar functions like $e^x$ and $\cos x$? [duplicate]
2	prove $x+y=a, xy=b$ uniquely determine $x,y$
2	Is there a term analogous to factoring, for addition?
2	Seeing why horizontal shifts are reversed?

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Reputation (442)

+5	A way to directly see that the interior angles of triangle sum to $180^\circ$?
+20	A way to directly see that the interior angles of triangle sum to $180^\circ$?
+5	How to generalize the mechanism of subtraction, from naturals to negatives?
-2	Are there number systems that fix divide-by-zero?

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Answers (8)

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2	A way to directly see that the interior angles of triangle sum to $180^\circ$?
1	How do you revise material that you already half-know, without getting bored and demotivated?
1	A way to directly see the Inscribed angle theorem? (i.e. central angle is twice the inscribed angle)
0	Are there number systems that fix divide-by-zero?
0	Simple description/name for 0/1 in second position in binary? (analogous to even/odd for 0/1 in first position)

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Tags (35)

3 geometry × 7	0 polynomials × 6
3 visualization × 7	0 arithmetic × 4
1 soft-question × 2	0 integers × 4
1 self-learning	0 complex-numbers × 3
0 algebra-precalculus × 11	0 foundations × 3

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	Mathematics	442 rep	414
	Computational Science	289 rep	310
	Stack Overflow	211 rep	212
	Computer Science	203 rep	19
	Writing	191 rep	5

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0	down		46	answer		1

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