设全集是实数集R,A={x|2x²-7x+3≤0}……设全集是实数集R,A={x|2x²-7x+3≤0},B={x|x²-4＜0},求A∩B和A∪B.

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设全集是实数集R,A={x|2x²-7x+3≤0}……设全集是实数集R,A={x|2x²-7x+3≤0},B={x|x²-4＜0},求A∩B和A∪B.设全集是实数集R,A

设全集是实数集R,A={x|2x²-7x+3≤0}……设全集是实数集R,A={x|2x²-7x+3≤0},B={x|x²-4＜0},求A∩B和A∪B.
设全集是实数集R,A={x|2x²-7x+3≤0}……
设全集是实数集R,A={x|2x²-7x+3≤0},B={x|x²-4＜0},求A∩B和A∪B.

设全集是实数集R,A={x|2x²-7x+3≤0}……设全集是实数集R,A={x|2x²-7x+3≤0},B={x|x²-4＜0},求A∩B和A∪B.
设全集是实数集R,A={x|2x²-7x+3≤0},B={x|x²-4＜0},求A∩B和A∪B.
A={x|2x²-7x+3≤0}={x|1/2≤x≤3}
B={x|x²-4＜0}={x|-2＜x＜2}
A∩B={x|1/2≤x＜2}
A∪B={x|-2＜x≤3}