Mathematics · Simplification

Evaluate the following expression: (21 × 3) / 7 - 4 × (15 / 5) - (30 / 2) × 15 = ?

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Evaluate the following expression: (21 × 3) / 7 - 4 × (15 / 5) - (30 / 2) × 15 = ?

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Evaluate the following expression: (21 &times; 3) / 7 - 4 &times; (15 / 5) - (30 / 2) &times; 15 = ?

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Evaluate the following expression: (21 × 3) / 7 - 4 × (15 / 5) - (30 / 2) × 15 = ?