Number Sense Integers Integer Subtraction — Set 31By skyseed_admin / April 9, 2026 easy Set 31 -5-7-9-1-2+37--2-7+1-2+1-5×7-2-1-3-4-2×72×-6-8-3-3×18--9-1-15--210--1-3+92+-10-10+4 Check Answers Reveal Solution Reset