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সি প্রোগ্রামে নিচের কোনগুলো লাইব্রেরি ফাংশন-i printf() ii. scanf()iii. gets() নিচের কোনটি সঠিক?

সি প্রোগ্রামে নিচের কোনগুলো লাইব্রেরি ফাংশন-i printf() ii. scanf()iii. gets() নিচের কোনটি সঠিক? সঠিক উত্তর i, ii ও iii

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মি. সিং এবং মিসেস সিং কতসালে কমলা ও অমলাকে উদ্ধার করেন?