if the dividend is a perfect square and the divisor is its square root
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you use multiply the divisor times the quotient & it should equal the dividend.
Dividend divided by divisor equals quotient
If 8 x divisor is 2 digit, divisor must be 12 or less If fist digit quotient x divisor is 3 digit, the first digit has to be 9 and the divisor is 12 9 x 12 = 108 8 x 12 = 96
The divisor is 9. quotient x divisor + remainder = dividend ⇒ quotient x divisor = dividend - remainder ⇒ divisor = (dividend - remainder) ÷ quotient = (53 - 8) ÷ 5 = 45 ÷ 5 = 9
Dividend : Divisor = Quotient