求一道英语奥数题
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求一道英语奥数题
求一道英语奥数题
求一道英语奥数题
第一题比较简单,就是组成三个单独的正方形.
第二题两个正方形边长是1根半火柴长,这是我个人理解,应该不违法题意吧.
希望可以对你有所帮助.
第一题，组成三个单独的正方形。
第二题，组成一大一小的正方形，分开排，一个是1根火柴的正方形，一个是2根火柴的正方形。
我没画出来了，不好意思，亲。
boring
Al and bill live at apposite ends of the same street.Al had to deliver a parcel at bill’s home,Bill one at Al's home.they started at the same moment,each walked at constant speed and returned home im...
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Al and bill live at apposite ends of the same street.Al had to deliver a parcel at bill’s home,Bill one at Al's home.they started at the same moment,each walked at constant speed and returned home immediately after leaving the parcel at its destination.they met the first time at the distance of a yard from Al's home and the second time at the distance of b yards from Bill's home.
⑴how long is the street? (2)if a=300 and b=400,who walk faster?
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第一题比较简单，就是组成三个单独的正方形。
第二题两个正方形边长是1根半火柴长，呵呵。这是我个人理解，应该不违法题意吧。
希望可以对你有所帮助。