示例

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

解题步骤 1

$A$ is a subset of $B$ because $A$ is contained within $B$ .

$A$ is a subset of $B$

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