2+2=4

Correct. 2 + 2 = 4.

If you’re prepping for exams, I can help with quick review or practice. Here are a few quick options:

• Review basic properties: commutativity, associativity, identity (0).
• Binary check: in base-2, 10 + 10 = 100 (which is 4 in decimal).
• Quick practice: I can generate a short set of arithmetic/algebra problems or walk through a topic you’re studying.

What would you like to focus on? More practice problems, or a brief explanation of a topic?