KJV: And Aaron shall offer the Levites before the LORD for an offering of the children of Israel, that they may execute the service of the LORD.
NASB: "Aaron then shall present the Levites before the LORD as a wave offering from the sons of Israel, that they may qualify to perform the service of the LORD.
KJV: For they are wholly given unto me from among the children of Israel; instead of such as open every womb, even instead of the firstborn of all the children of Israel, have I taken them unto me.
NASB: for they are wholly given to Me from among the sons of Israel. I have taken them for Myself instead of every first issue of the womb, the firstborn of all the sons of Israel.
KJV: For all the firstborn of the children of Israelare mine, both man and beast: on the day that I smote every firstborn in the land of Egypt I sanctified them for myself.
NASB: "For every firstborn among the sons of Israel is Mine, among the men and among the animals; on the day that I struck down all the firstborn in the land of Egypt I sanctified them for Myself.
KJV: And I have given the Levites as a gift to Aaron and to his sons from among the children of Israel, to do the service of the children of Israel in the tabernacle of the congregation, and to make an atonement for the children of Israel: that there be no plague among the children of Israel, when the children of Israel come nigh unto the sanctuary.
NASB: "I have given the Levites as a gift to Aaron and to his sons from among the sons of Israel, to perform the service of the sons of Israel at the tent of meeting and to make atonement on behalf of the sons of Israel, so that there will be no plague among the sons of Israel by their coming near to the sanctuary."