(7.25-3.75)+(3 3\7+6 4\7)=?
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![(7.25-3.75)+(3 3\7+6 4\7)=?](/uploads/image/z/658862-62-2.jpg?t=%287.25-3.75%29%2B%283+3%5C7%2B6+4%5C7%29%3D%3F)
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(7.25-3.75)+(3 3\7+6 4\7)=?
(7.25-3.75)+(3 3\7+6 4\7)=?
(7.25-3.75)+(3 3\7+6 4\7)=?
)+(3 3\7+6 4\7)?前面那个3
(7.25-3.75)+(3 3\7+6 4\7)
=3.5+10
=13.5
17.3571
13.5