673 = _____

300733
300753
300763
300793

সঠিক উত্তর: 300763

In order to calculate the cube of 67 we use the formula, (a-b)3, where we consider a=70 and b=3 Therefore (70-3)3 = 703 – 3 × 702 × 3 + 3 × 70 × 32 – 33 Therefore (70-3)3 = 343000 – 44100 + 1890 – 27 Therefore (70-3)3 = 300763.
Bissoy MCQ

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