-8-6+3-4.72+3.54-6.28 要过程
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-8-6+3-4.72+3.54-6.28 要过程
![-8-6+3-4.72+3.54-6.28 要过程](/uploads/image/z/3890456-8-6.jpg?t=-8-6%2B3-4.72%2B3.54-6.28+%E8%A6%81%E8%BF%87%E7%A8%8B)
-8-6+3-4.72+3.54-6.28
=(-8-6+3)-(4.72+6.28)+3.54
=-11-11+3.54
=-22+3.54
=-18.46
=(-8-6+3)-(4.72+6.28)+3.54
=-11-11+3.54
=-22+3.54
=-18.46