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109_G1U18_G1U19˙—» ¿º 2011.3.22 4:18 PM ˘ ` 21 PDF_In 2540DPI 150LPI T
2 Group the shapes according to the number of sides.
18. We Have a Lot in Common! 21
2 Group the shapes according to the number of sides.
18. We Have a Lot in Common! 21
