Old Testament readings use the Septuagint , the Scripture the apostles quoted. Masoretic numbering shown for reference.Learn why
LXX

Deuteronomy 20:15

Thus shalt thou do to all the cities that are very far off from thee, not [being] of the cities of these nations which the Lord thy God gives thee to inherit their land.

Parallel Translations

LXX2012View canonical →
Thus shall you do to all the cities that are very far off from you, not [being] of the cities of these nations which the Lord your God gives you to inherit their land.
Septuagint in American English (2012)
KJVView canonical →
Thus shalt thou do unto all the cities which are very far off from thee, which are not of the cities of these nations.
King James Version
WEBView canonical →
Thus you shall do to all the cities which are very far off from you, which are not of the cities of these nations.
World English Bible