mayakinseth8086 mayakinseth8086
  • 28-12-2022
  • Mathematics
contestada

Why are the addition and multiplication tables in the Explore activity symmetric about the diagonal from the upper-left corner to the lower-right? For example, why is the entry in the third row of the second column equal to the entry in the second row of the third column? Would a subtraction table be symmetric about the same diagonal?

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