74.3*75.7+74.3*14+74.3*10.3的简便方法
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![74.3*75.7+74.3*14+74.3*10.3的简便方法](/uploads/image/z/435101-5-1.jpg?t=74.3%2A75.7%2B74.3%2A14%2B74.3%2A10.3%E7%9A%84%E7%AE%80%E4%BE%BF%E6%96%B9%E6%B3%95)
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74.3*75.7+74.3*14+74.3*10.3的简便方法
74.3*75.7+74.3*14+74.3*10.3的简便方法
74.3*75.7+74.3*14+74.3*10.3的简便方法
74.3*(75.7+14+10.3)=74.3*100=7430