51又2/3÷5/3+71又3/4÷7/4+91又4/5÷9/5的简便运算
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![51又2/3÷5/3+71又3/4÷7/4+91又4/5÷9/5的简便运算](/uploads/image/z/114326-62-6.jpg?t=51%E5%8F%882%2F3%C3%B75%2F3%2B71%E5%8F%883%2F4%C3%B77%2F4%2B91%E5%8F%884%2F5%C3%B79%2F5%E7%9A%84%E7%AE%80%E4%BE%BF%E8%BF%90%E7%AE%97)
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51又2/3÷5/3+71又3/4÷7/4+91又4/5÷9/5的简便运算
51又2/3÷5/3+71又3/4÷7/4+91又4/5÷9/5的简便运算
51又2/3÷5/3+71又3/4÷7/4+91又4/5÷9/5的简便运算
51又2/3÷5/3+71又3/4÷7/4+91又4/5÷9/5=51又2/3×3/5+71又3/4×4/7+91又4/5×5/9 =51×3/5+2/3×3/5+71×4/7+3/4×4/7+91×5/9+4/5×5/9 =153/5+2/5+284/7+3/7+455/9+4/9 =155/5+287/7+459/9 =31+41+51 =123