From the same author, on #Ex 24:9, 10.

The express command as uttered has a subsequent proposition evident, as all were preserved in safety. But the real meaning is that they all were of one mind in respect of piety and differed in no good thing.

From the same author, on #Ex 24:10.

When he speaks of the seventy men he means those with Moses, and Aaron, and Nadab, and Abihu. And the statement that they did not differ, rather shows that they all equally saw the place where God had stood, than that nothing was left.