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1月 5, 2021
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9月 13, 2016
Is 17 even or odd?
9月 13, 2016
Where is the digit 4? 194
9月 13, 2016
In this problem, what is 48? 69 – 21 = 48
9月 13, 2016
In this problem, what is 6? 2 X 6 = 12