27.38-5.34+2.62-4.64简算

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27.38-5.34+2.62-4.64简算27.38-5.34+2.62-4.64简算27.38-5.34+2.62-4.64简算(27.38+2.62)-(5.34+4.64)=30-9.98=2

27.38-5.34+2.62-4.64简算
27.38-5.34+2.62-4.64简算

27.38-5.34+2.62-4.64简算
(27.38+2.62)-(5.34+4.64)=30-9.98=20.2