16.设全集I = {2.3.x2 + 2x – 3}.A = {5}.A = {2.y}.求x.y的值. 查看更多

 

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设全集I={2,3,x2+2x-3},A={5},CIA={2,y},求x,y的值.

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设全集I = {2,3,x2 + 2x 3},A = {5},A = {2,y},求xy的值.

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设全集I = {2,3,x2 + 2x – 3},A = {5},A = {2,y},求x,y的值.(8分)

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设全集I={2,3,x2+2x-3},A={5},CIA={2,y},求x,y的值.

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设全集I={2,3,x2+2x-3},A={5},CIA={2,y},求x,y的值.

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