# Arithmetic trees \[ActiveMind\]

**URL:** https://discuss.criticalfallibilism.com/t/arithmetic-trees-activemind/1963
**Category:** Mini Projects
**Created:** [October 3, 2024, 9:04am UTC](https://discuss.criticalfallibilism.com/t/arithmetic-trees-activemind/1963 "2024-10-03T09:04:50Z")
**Posts on this page:** 1
**Showing post:** 6

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### Author: ![ActiveMind](https://discuss.criticalfallibilism.com/user_avatar/discuss.criticalfallibilism.com/activemind/32/5560_2.png) [@ActiveMind](https://discuss.criticalfallibilism.com/u/ActiveMind)
#### Post date: [October 3, 2024, 2:13pm UTC](https://discuss.criticalfallibilism.com/t/arithmetic-trees-activemind/1963/6 "2024-10-03T14:13:35Z")

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![output-5](https://discuss.criticalfallibilism.com/uploads/default/original/2X/2/260d566d2b981c7bdf970d4f45049cab654f9ea4.jpeg)

I thought no. 9 was similar in difficulty to no. 7

 ![output-6](https://discuss.criticalfallibilism.com/uploads/default/original/2X/6/6be2c45137a5b8b1e7f615df7f359fecb15d6c60.jpeg)

This one didn’t just have an arithmetic mistake, I also copied the wrong number from the equation. I didn’t recalculate that since I knew the structure of the tree was correct. I think that mistake matters. I think fixing the mistake just requires more focus and practicing more trees?

I thought to include the expression I used in wolphramalpha for the last tree. It was:  
(6(3-4)(4-6^2))/(2+4)-(5+2)/(6(1-3))

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