According to 105, the multiplication of divisor most significant bit 3 is close to 10, and three plus three get nine, so the unit of quotient should be 3, and nine needs a carry 1 to get 10, so the multiplication of three plus several in the unit of quotient can get15,35/. The second line below the division formula has been determined as 7 and 0. Divide 70 by 35 to get 2, and you can determine that the highest bit of the quotient is 2. That is 80.5/3.5=23.
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