Problems:

1. $$-4 + 11 + 30$$ 2. $$-23 + 0 + 26$$ 3. $$19 + 21 + 42$$ 4. $$-28 + -5 + 47$$ 5. $$-2 + -49 + 47$$



Solutions:

1. $$37$$ 2. $$3$$ 3. $$82$$ 4. $$14$$ 5. $$-4$$