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These letters are the same when they are made upsidedown: H, I, N, O, S, X, and Z.
 one year ago
 one year ago
These letters are the same when they are made upsidedown: H, I, N, O, S, X, and Z.
 one year ago
 one year ago

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EvonHowellBest ResponseYou've already chosen the best response.0
And what is the Question?
 one year ago

ParthKohliBest ResponseYou've already chosen the best response.1
How many threeletter "words" can be formed that are the same when they are upsidedown?
 one year ago

goformit100Best ResponseYou've already chosen the best response.0
Fake Question....... not a mathematics question
 one year ago

ParthKohliBest ResponseYou've already chosen the best response.1
At first, I thought of \(7P3\), but then I saw that repetition is allowed, so I thought of \(21P3\)
 one year ago

ParthKohliBest ResponseYou've already chosen the best response.1
@goformit100 It's called combinatorics.
 one year ago

ParthKohliBest ResponseYou've already chosen the best response.1
Neither is correct.
 one year ago

ParthKohliBest ResponseYou've already chosen the best response.1
it might be 7 * 7 * 7
 one year ago

LOOSErBest ResponseYou've already chosen the best response.1
The first and the last letter must be same
 one year ago

RadEnBest ResponseYou've already chosen the best response.0
looks s and z made upsidedown, they were not same :) dw:1360990401416:dw
 one year ago

ParthKohliBest ResponseYou've already chosen the best response.1
@RadEn That is the mirror image, not the upsidedown image. :P
 one year ago

RadEnBest ResponseYou've already chosen the best response.0
Ohhhh... missunderstanding :)
 one year ago
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