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(a) Write decimal number X = 25 and Y = 53 in base 7. %3D %3D (b) Find the 6's-complement of X and Y.

(a) Write decimal number X = 25 and Y = 53 in base 7. %3D %3D (b) Find the 6's-complement of X and Y. (c) Compute subtraction X - Y, and Y - X using the 7's-complement of subtranends. If the result should be negative, find its 7's-complement and affix a minus sign.

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