Respuesta :

This diagram is essentially asking us one question:

What are the three numbers, which combine in pairs to give a sum of 12, 18 , and 18?

Let us guess.

The sum of 6 and 6 is 12.

The sum of 6 and 12 is 18 (bottom )

The sum of 6 and 12 is 18 (the right)

Ver imagen AlecxanderS143543
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