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整數部分是零的小數叫做純小數.如:0.123、0.99、0.114、0.15256都是純小數.純小數小於1. 就是0.×××的形式帶小數就是小數點前有數(不為“0”)的數 如:1.1、1.254.5.368等 0.12121212……是純循環小數,當然了,這也屬於純小數. 是對的
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