find the square of 31 by column method
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5
Answer:
961,
explain in picture.
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1
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ᴛʜᴇ ᴀɴꜱᴡᴇʀ ᴏꜰ 31 ᴄᴏʟᴜᴍɴ ᴍᴇᴛʜᴏᴅ
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