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− | == 欢迎来到沙盒测试! ==
| + | ''天地玄黄aaa123'' |
− | <math>30\times4^{2+2}\approx 11600</math>
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− | <math>\vec{F}=m \frac{d \vec{v}}{dt} + \vec{v}\frac{dm}{dt}</math>
| + | ''{{lang|zh-Hans|天地玄黄aaa123}}'' |
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− | <math>P=\dfrac{3\times\dfrac{14!}{3!^4\times2!}\times\dfrac{122!}{4!^{29}\times2!\times1!^4}}{\dfrac{136!}{4!^{34}}}=\dfrac{8}{7379001786750375}=\dfrac{1}{922375223343796.875}\approx1.084157\times10^{-15}</math>
| + | ''{{lang|zh-Hant|天地玄黃aaa123}}'' |
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− | <chem>CH2=CH-CH=CH2</chem>
| + | ''{{lang|ja|天地玄黄aaa123}}'' |
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− | <chem>CO2 + H2O =>[叶绿体][光照] O2 + (CH2O)</chem>
| + | {{lang|ja|𤼵𛀂𛁹𛀎}} |
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− | <chem>A\bond{~--}B\bond{~=}C\bond{-~-}D</chem>
| + | 𤼵𛀂𛁹𛀎 |