一、直接写的数 二、计算(都是分数的)注:(分母在前分子在后)一、直接写的数 4/3*12= 7/5+7/2= 3/2*4/3= 60*12/5= 8/7-4/3= 10/1*1又4/1= 9/2*1又5/1= 7/5*5/14=二、计算2又2/1*15/1+3/1*2/1 (3/2+1又5/2)*7/5 (4/3+3
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![一、直接写的数 二、计算(都是分数的)注:(分母在前分子在后)一、直接写的数 4/3*12= 7/5+7/2= 3/2*4/3= 60*12/5= 8/7-4/3= 10/1*1又4/1= 9/2*1又5/1= 7/5*5/14=二、计算2又2/1*15/1+3/1*2/1 (3/2+1又5/2)*7/5 (4/3+3](/uploads/image/z/9306452-20-2.jpg?t=%E4%B8%80%E3%80%81%E7%9B%B4%E6%8E%A5%E5%86%99%E7%9A%84%E6%95%B0+%E4%BA%8C%E3%80%81%E8%AE%A1%E7%AE%97%EF%BC%88%E9%83%BD%E6%98%AF%E5%88%86%E6%95%B0%E7%9A%84%EF%BC%89%E6%B3%A8%EF%BC%9A%EF%BC%88%E5%88%86%E6%AF%8D%E5%9C%A8%E5%89%8D%E5%88%86%E5%AD%90%E5%9C%A8%E5%90%8E%EF%BC%89%E4%B8%80%E3%80%81%E7%9B%B4%E6%8E%A5%E5%86%99%E7%9A%84%E6%95%B0+4%2F3%2A12%3D+7%2F5%2B7%2F2%3D+3%2F2%2A4%2F3%3D+60%2A12%2F5%3D+8%2F7-4%2F3%3D+10%2F1%2A1%E5%8F%884%2F1%3D+9%2F2%2A1%E5%8F%885%2F1%3D+7%2F5%2A5%2F14%3D%E4%BA%8C%E3%80%81%E8%AE%A1%E7%AE%972%E5%8F%882%2F1%2A15%2F1%2B3%2F1%2A2%2F1+%283%2F2%2B1%E5%8F%885%2F2%29%2A7%2F5+%284%2F3%2B3)
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