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Two men, one far-sighted and one short-sighted one, see objects through their spectacles of his short-sighted friend, he found that he could see distinctly puts on the spectacles of his short-sighted friend, he found that he found that he could see distinctly onlyinfinitely far objects. At what minimum distance would the shortsighted man be able to read small type if he wore the spectacles of far-sighted man? |
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