1/12÷(5/6-1/3+2)
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![1/12÷(5/6-1/3+2)](/uploads/image/z/1633451-59-1.jpg?t=1%2F12%C3%B7%285%2F6-1%2F3%2B2%29)
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1/12÷(5/6-1/3+2)
1/12÷(5/6-1/3+2)
1/12÷(5/6-1/3+2)
1/12÷(5/6-1/3+2)?
应该是(1/12)÷(5/6-1/3+2)吧?
(1/12)÷(5/6-1/3+2)
=(1/12)÷(5/6-2/6+12/6)
=(1/12)÷[(5-2+12)/6]
=(1/12)÷(15/6)
=(1/12)×(6/15)
=(1/2)×(1/15)
=1/30