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2 1 Page 4 is urgent! ! ! ! ! ! ! ! ! ! !
We can calculate it like this:

If the side length of the original square is 4, the side length of the small square is 1.

The original square surface area is 4×4×6=96.

The surface area of 64 small squares is 1× 1×6×64=384.

The surface area of 64 small squares is 384÷96= 4 times of the original square.

You got it? Good luck, goodbye.

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