代数示例

A = (1, 2, 3)

$A = (1, 2, 3)$ ,

B = (8, 9, 10)

$B = (8, 9, 10)$

解题步骤 1

A

$A$ is not a subset of

B

$B$ because

A

$A$ is not contained within

B

$B$ .

A

$A$ is not a subset of

B

$B$

输入您的问题

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[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]

$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$

代数 示例