Answer
$(A \cap B)\cup C= ${1,2,3,4,5,6,7}
$A \cap (B\cup C)=${1,2,3,4,5}
Work Step by Step
$A\cap B=${3,4,5}
$(A \cap B)\cup C= ${1,2,3,4,5,6,7}
$B\cup C=${1,2,3,4,5,6,7}
$A \cap (B\cup C)=${1,2,3,4,5}
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