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Use BIDMAS (or BODMAS) to solve the following problems.

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$\\var{a} + \\var{b} \\times \\var{c}$

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$(\\var{d}-\\var{f})\\div\\var{g}$

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$\\var{h} - \\var{j} \\times \\var{k}$

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$\\sqrt{\\var{l} + \\var{m}} \\div \\var{n}$

\n

Give your answer to 3 significant figures

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$\\var{o} + (\\var{p} - \\var{q})^{\\var{r}} \\times \\var{s}$

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