Multiple choice question I — task. Mathematics State Board, Class 7.

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1. Which of the following expressions is equal to \(-30\)?

\((-6) \times (+5)\)
\(-20 - (-5 \times 2)\)
\((6 \times 10) - (6 \times 5)\)
\((2 \times 5) + (4 \times 5)\)

2. Which property is illustrated by the equation: \((5 \times 2) + (5 \times 5) = 5 \times (2 + 5)\)

associative
distributive
commutative
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