Kaomojis
👻_i_
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#imaginary unit
#i
#ghost number
#unreal number
#complex numbers
#algebra
👻🧮
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#complex math
#imaginary number symbol
#mathematical constant
#ghost number
👻📞🔢
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#ghost number
#non-physical number
#burner number
#anonymous number
#secondary number
1️⃣..7️⃣👻9️⃣0️⃣
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#missing 8
#ghost number
#pattern skip
#no eight
#123456790
👻#️⃣
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#invisible number
#unseen variable
#ghost number
#unknown n
#hidden quantity n
#imaginary unit #i #ghost number #unreal number #complex numbers #algebra