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Express 40 as a sum of squares
Express 125 as a sum of squares
Express 32 as a sum of squares
Express 68 as a sum of squares
Express 117 as a sum of squares
Which of the 3 methods shown in this lesson could be used to express 401 as a sum of squares?
Which of the 3 methods shown in this lesson could be used to express 130 as a sum of squares?
Which cannot be expressed as a sum of two squares (use digit sums):
Which cannot be expressed as a sum of two squares (look at the factors):