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Exercises 6.3: Brackets and Braces

WRITING

1.  $\left[r\right]$

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2.  $\left[7+\left(x-3\right)\right]$

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3.  

The following problem uses boldface brackets:

$\mathbf{[}3.7\mathbf{]}=3$

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4.  $\left[-2,7\right)$

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5.  $\left(-2,7\right]$

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6.  $A=\left\{-3,-2,6\right\}$

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7.  $B=\left\{-2,0,c,E\right\}$

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8.  $\left\{\right\}$

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READING

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PROOFREADING

17.  $\left[t\right]$

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18.  $\left[21÷\left(x-6\right)\right]$

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19.  $A=\left\{2,4\right\}$

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20.  $B=\left\{2,4,f\right\}$

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21.  $\left\{\right\}$

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