allerya + b = b + a নিয়মটোক কোৱা হয়
Aবিতৰণ বিধি
Bঅভেদ বিধি
Cসহযোগ বিধি
Dক্ৰমবিনিময় বিধি
Answer & Solution
Correct answer: D. ক্ৰমবিনিময় বিধি
যোগ কৰা সংখ্যাবোৰৰ ক্ৰমে কোনো প্ৰভাৱ নেপেলায়, যিটো হৈছে ক্ৰমবিনিময়শীলতা।
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