Old Testament readings use the Septuagint , the Scripture the apostles quoted. Masoretic numbering shown for reference.Learn why
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Exodus 26:20

For the second side of the tabernacle, on the north side, twenty boards,

Parallel Translations

LXXView canonical →
And for the next side, toward the south, twenty posts,
Brenton's Septuagint Translation
LXX2012View canonical →
And for the next side, toward the south, twenty posts,
Septuagint in American English (2012)
KJVView canonical →
And for the second side of the tabernacle on the north side there shall be twenty boards:
King James Version