(来自网络)
数学迷因:关于数学的迷因(meme),有时翻译成“数学梗”。
迷因(meme):A meme is an idea, behavior, or style that spreads by means of imitation from person to person within a culture and often carries symbolic meaning representing a particular phenomenon or theme. (wikipedia)

包子帝:1/3+1/5=2/8
230-220×0.5=120
5!=1×2×3×4×5=120
没错。