You are given a 8 8 board. the 4 corner squares are initially black, while the rest are initially white. an operation is to flip the colors of all squares in a single row or a single column. does there exist a sequence of operations to make the entire board black? if so, give an example; if no such sequence exists, explain why.

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r3t40

answer: it is d

step-by-step explanation:

in if you ask questions, the points are taken from your total and given to the one who answered it..

so if i have 30 points and i ask a question for 5 points, then when someone asks a question i will lose 5 points and the answerer earns 5

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the answer to this is 4340

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