Number Sense Integers Integer Addition — Set 13By skyseed_admin / April 9, 2026 easy Set 13 -9-91--710--9-2+5-3-4-5+6-2-8-10×2-5-22+-9-3-33+-8-10+7-4-1-6×1-8+79--6-3-1-7-7 Check Answers Reveal Solution Reset