What is 998 + 765?
What is 998 + 765?
Approach: Add 1000 and subtract 2.
1763. 1000 + 765 = 1765. 1765 - 2 = 1763.
Follow-up: What is 997 + 450?
Key concepts: compensation method.
What is 998 + 765?
Approach: Add 1000 and subtract 2.
1763. 1000 + 765 = 1765. 1765 - 2 = 1763.
Follow-up: What is 997 + 450?
Key concepts: compensation method.