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Inverted Pyramid

There are 10 circles arranger in a shape of inverted pyramid as shown in the image. The goal is to fill all the circles with numbers 1 to 10 without repetition such that the difference of the top two balls is equal to the the number in the bottom ball as shown in the example. I want to know that is this possible and if it is how many ways are thee to do this.

Note by Sid 2108
3 years, 1 month ago

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