allery42 থেকে, -3 এর পাঁচটি কপি বিয়োগ করুন। ফলাফল?
A−57
B−111
C27
D57
Answer & Solution
Correct answer: D. 57
বন্ধনীটি −15 সমান, তাই 42 − (−15) = 57।
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