en_tn_condensed/isa/41/04.md

Who has performed and accomplished these deeds?

"I have performed and accomplished these deeds."

Who has summoned the generations from the beginning?

"I have summoned the generations of humanity from the beginning."

the first, and with the last ones

Possible meanings are 1) that Yahweh existed before creation and will exist at the end of creation or 2) that Yahweh was before the first generation of humanity and will be at the last generation of humanity.