InterviewSolution
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Explain this sum don't spam |
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Answer» A = 3 - 1 2 1 B = 3 0 1 - 2 AB = 9 0 2 - 2 Method = 3 × 3 =9 - 1 × 0 = 0 2 × 1 = 2 1 × - 2 = - 2 Multiply the digits A column digits with B COLOUMN digits WITHOUT changing the places |
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