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Tags
+-SH dead source47385 +-SH safe2192329 +-SH artist:reddgeist19 +-SH twilight sparkle360328 +-SH human249243 +-SH g42048175 +-SH book44051 +-SH breasts395894 +-SH busty twilight sparkle16589 +-SH chalkboard3667 +-SH classroom2223 +-SH cleavage47299 +-SH curvy10121 +-SH fancy mathematics263 +-SH female1823003 +-SH glasses90020 +-SH high res408808 +-SH humanized120657 +-SH math975 +-SH school2427 +-SH solo1440878 +-SH teacher1243
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Quantum mechanics, from the presence of the h-bar and the operators. Can’t tell precisely.