已知集合A={3,4,2M},集合B={2,-3},若A交B={-3},求M的值

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已知集合A={3,4,2M},集合B={2,-3},若A交B={-3},求M的值已知集合A={3,4,2M},集合B={2,-3},若A交B={-3},求M的值已知集合A={3,4,2M},集合B={

已知集合A={3,4,2M},集合B={2,-3},若A交B={-3},求M的值
已知集合A={3,4,2M},集合B={2,-3},若A交B={-3},求M的值

已知集合A={3,4,2M},集合B={2,-3},若A交B={-3},求M的值
若A交B={-3},
则2M=-3
M=-3/2

-3/2