Question

In the multiplication table made earlier, take a square of nir bers, instead of four, and mark the numbers at the four con 6 8 10 9 12 15 12 16 20 i) What is the difference of diagonal sums? Explain using algebra​

Answer 1

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bers, instead of four, and mark the numbers at the four corners: 9 12 15 (12) 16 (20 i) What is the difference of diagonal sums? ii) Explain ...