Five mark exercise problems V — task. Mathematics State Board, Class 9.

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Answer variants:

Verify

$A \cup (B \cap C) = (A \cup B) \cap (A \cup C)$ using Venn diagrams.

Proof:

$B \cap C =$

$A \cup (B \cap C) =$

$A \cup B =$

$A \cup C =$

$(A \cup B) \cap (A \cup C) =$

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