代数示例

A = (0, 1)

$A = (0, 1)$ ,

B = (0, 1, 3, 5)

$B = (0, 1, 3, 5)$

解题步骤 1

A

$A$ is a subset of

B

$B$ because

A

$A$ is contained within

B

$B$ .

A

$A$ is a subset of

B

$B$

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⎡ ⎢ ⎣ \begin{matrix} x^{2} & \frac{1}{2} \sqrt{π} & \int x d x \end{matrix} ⎤ ⎥ ⎦

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

代数 示例