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📖 Description
How many squares? Okay, so you count the little squares and arrive at an answer. Nope, that's not it. You scratch your head and wonder what is going on inside there, in your cranium. Hmmm. You count again and get the same answer. Try again. You are about to give up when you notice that the smaller squares can be combined to form bigger squares. 2 x 2 3 x 3 4 x 4 And now you get it. Inside you will find 100 problems. Some are easy, others...not so much. Grab a pencil, open this book, and give your brain the scratching that it has been asking for.