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2 cards from this section. Quick, good the night before a test.
Find the square of 32 without using multiplication.
Break it down as 30 + 2.
Determine the square of 25.
Try the formula (a + b)².
What is the square of 23?
Break 23 into 20 and 3.
Is 3, 4, 5 a Pythagorean triplet?
Check the sum of the squares.
Find the square of 105 without executing direct multiplication.
Utilize the formula (a + b)².
Prove that 12, 16, and 20 is a Pythagorean triplet.
Check the sum of the squares.
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