27.35-5.34+2.62-4.66怎么简便计算

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27.35-5.34+2.62-4.66怎么简便计算27.35-5.34+2.62-4.66怎么简便计算27.35-5.34+2.62-4.66怎么简便计算先将加的放一起,减去的放一起,就得27.35

27.35-5.34+2.62-4.66怎么简便计算
27.35-5.34+2.62-4.66怎么简便计算

27.35-5.34+2.62-4.66怎么简便计算
先将加的放一起,减去的放一起,就得27.35+2.62-(5.34+4.66)就成为
29.97-10=19.97 如果还不会,

27.35-5.34+2.62-4.66
=(27.35+2.62)-(5.34+4.66)
=29.97-10
=19.97