用简便方法计算10÷[8/3-(5/13÷5/26+2/5)]
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![用简便方法计算10÷[8/3-(5/13÷5/26+2/5)]](/uploads/image/z/436474-10-4.jpg?t=%E7%94%A8%E7%AE%80%E4%BE%BF%E6%96%B9%E6%B3%95%E8%AE%A1%E7%AE%9710%C3%B7%5B8%EF%BC%8F3%EF%BC%8D%285%EF%BC%8F13%C3%B75%EF%BC%8F26%EF%BC%8B2%EF%BC%8F5%29%5D)
用简便方法计算10÷[8/3-(5/13÷5/26+2/5)]
用简便方法计算10÷[8/3-(5/13÷5/26+2/5)]
用简便方法计算10÷[8/3-(5/13÷5/26+2/5)]
10÷[8/3-(5/13*26/5+2/5]
=10÷[8/3-(2+2/5)]
=10÷[8/3-12/5]
=10÷(40/15-36/15)
=10÷4/15
=10*15/4
=75/2