短語(yǔ)詞組短語(yǔ)repeating g decimal 循環(huán)小數(shù)mixed repeating decimal 混循環(huán)小數(shù)pure repeating decimal 純循環(huán)小數(shù)a repeating decimal 循環(huán)小數(shù)repeating decimal fraction 循環(huán)小數(shù)period of a repeating decimal 小數(shù)循環(huán)節(jié) 返回 repeating decimal