大学物理:如图,如果这道题要用积分来算,又该怎么做? 知乎 Template




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Try and sketch some of theseYo-yo, Berries, Light bulb, Rocking horse, Carmel corn, Coffin, Potters wheel, Postal Worker, Escalator, Bag lady, view more ideas


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tomski大学物理:如图,如果这道题要用积分来算,又该怎么做? 知乎 coloring