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21-08-2015
Mathematics

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Use properties to find the sum or product.
93+(68+7)

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21-08-2015

[tex]93+(68+7)=93+68+7\\use\ commutative\ property: a+b=b+a\\\\=93+7+68\\use\ associative\ property:a+(b+c)=(a+b)+c\\\\=(93+7)+68=100+68=\huge\boxed{168}[/tex]

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