Here’s how you can fill in the blanks to complete the rules and examples:
- Groups
- Calendar
- 画 (which is "to draw" in Chinese)
- Inbox
- History
- Mastery
- Studio
- Help
- K
- 回 (which means "return" or "back" in Chinese)
- 1
- 2
- 3
- 4
- 5
- 6
- 7
Rule: To solve any equation in the form x + a = b, choose your answer: subtract a from both sides.
Rule: To solve any equation in the form x - a = b, choose your answer: add a to both sides.