野餐趣题 100 students gather at a picnic(野餐).85 of them carry a kite,80 of them have a chocolate; 75 of them have bread; and 70 of them bring a bag.Of course,some of them have all of the above(以上都有):kite,chocolate,bread and bag.Of the
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![野餐趣题 100 students gather at a picnic(野餐).85 of them carry a kite,80 of them have a chocolate; 75 of them have bread; and 70 of them bring a bag.Of course,some of them have all of the above(以上都有):kite,chocolate,bread and bag.Of the](/uploads/image/z/13640870-38-0.jpg?t=%E9%87%8E%E9%A4%90%E8%B6%A3%E9%A2%98+100+students+gather+at+a+picnic%28%E9%87%8E%E9%A4%90%29.85+of+them+carry+a+kite%2C80+of+them+have+a+chocolate%3B+75+of+them+have+bread%3B+and+70+of+them+bring+a+bag.Of+course%2Csome+of+them+have+all+of+the+above%28%E4%BB%A5%E4%B8%8A%E9%83%BD%E6%9C%89%29%3Akite%2Cchocolate%2Cbread+and+bag.Of+the)
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