SQUARES ENDING IN 5

You can work out the square of any number ending in 5 within two simple steps: 65²= 4225 1.) Take the first digit of the number (6) and multiply it by the next highest number (7). 6 + 1=7 7 x 6=42 2.) Place 25 after the product of the two numbers (42). 4225 – This is […]

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