what is upside down triangle in math

$what is upside down triangle in math$

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$what is upside down triangle in math$
what is upside down triangle in math

what is upside down triangle in math

$upside down triangle math$
upside down triangle math

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upside down triangle symbol math

upside down triangle symbol math

$upside down triangle meaning math$
upside down triangle meaning math

upside down triangle meaning math

$what does upside down triangle mean in math$
what does upside down triangle mean in math

what does upside down triangle mean in math

$upside down triangle math symbol meaning$
upside down triangle math symbol meaning

upside down triangle math symbol meaning

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