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round 함수는 인수로 준 수에 가장 가까운 정수를 반환합니다.
round
round(decimal )
decimal
정수 처리(round)될 10진수.
인수 decimal 보다 작거나 크거나 같은 가장 가까운 정수.
XPath 1.0 4.4
지원함.