Oh, what a happy little question! With four 2's, you can create many numbers through addition, subtraction, multiplication, and division. Let's paint a few numbers together: 2+2+2+2=8, 2x2x2x2=16, and (22)/(2)+2=13. Just remember, there are no mistakes, only happy little calculations!
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Yes
Yes, you can make 11 using only four 2s by using the following mathematical expression: (2 + 2) x (2 + 2) = 4 x 4 = 16. Then, subtract (2/2) to get 16 - 1 = 15. Finally, take the square root of 15 to get √15 ≈ 3.87, which is close to 4. Therefore, using four 2s, you can approximate 11 by following these steps.
2+ (2-2)x2 = 2
22/2 - 2
22 + 22 - 2 = 42