短語詞組短語recurring g decimal 循環(huán)小數(shù)mixed recurring decimal 混循環(huán)小數(shù)infinite non recurring decimal 無限不循環(huán)小數(shù)prime recurring decimal 素循環(huán)小數(shù)pure recurring decimal [數(shù)]純循環(huán)小數(shù)Recurring Decimal to Fraction 循環(huán)小數(shù)轉(zhuǎn)分數(shù) 返回 recurring decimal