Question 1
Which sign goes in the box? 27 ☐ 67
Which sign goes in the box? 27 ☐ 67
Which sign goes in the box? 711 ☐ 311
Which sign goes in the box? 36 ☐ 36
Five questions on this topic, marked at the end. No hints and no answers along the way — that is what makes the result mean something.
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