shortcut trick of finding square of any number
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Answer:
325 = 3_25 => 3.
Square the number from Step 1: 32 = 9.
Divide the number from Step 1 by 2: 3/2 =1.5.
Add Step 2 and Step 3 : 9 + 1.5 = 10.5.
Multiply the number from Step 4 by 10: 10.5 * 10 =105.
Write the number 625 next to the result from Step 5: 105_625 = 105625.
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