saurabh's answer to shu's Primary 6 Maths Algebra Singapore question.
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These are Squares.
At nth step there are total (n+2)**2 squares.
Out of which n**2 are white and (n+2)**2 - n**2 = 4(n+1) are black.
At nth step there are total (n+2)**2 squares.
Out of which n**2 are white and (n+2)**2 - n**2 = 4(n+1) are black.
Date Posted:
3 years ago
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