1)
Here it teaches that they were covered with gold after it taught their size. In Divrei ha'Yamim II, 3:10-11 the order is reversed!
1.
Malbim (here and in Divrei ha'Yamim): Here it implies that they measured 10 Amos before they were covered. In Divrei ha'Yamim, Ezra revealed that the measure was after they were covered, and then they touched each other.
