1-5/12+8/15+1/12-11/15-1/6简便方法计算
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![1-5/12+8/15+1/12-11/15-1/6简便方法计算](/uploads/image/z/66720-48-0.jpg?t=1-5%2F12%2B8%2F15%2B1%2F12-11%2F15-1%2F6%E7%AE%80%E4%BE%BF%E6%96%B9%E6%B3%95%E8%AE%A1%E7%AE%97)
1-5/12+8/15+1/12-11/15-1/6简便方法计算
1-5/12+8/15+1/12-11/15-1/6简便方法计算
1-5/12+8/15+1/12-11/15-1/6简便方法计算
1-5/12+8/15+1/12-11/15-1/6
=1-(5/12-1/12)-(11/15-8/15)-1/6
=1-1/3-1/5-1/6
=2/3-1/6-1/5
=4/6-1/6-1/5
=1/2-1/5
=5/10-2/10
=3/10