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Unfortunately, limitations of the browser used by Answers.com means that we cannot see most symbols. It is therefore impossible to give a proper answer to your question. Please resubmit your question spelling out the symbols as "plus", "minus", "times", "equals". There is no visible symbol between 3st and 11.

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10y ago
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3y ago

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Q: What is the value of 3st 11 - 6r if r 21 s 9 and t 11?
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