## Excel in math and science

### Master concepts by solving fun, challenging problems.

## It's hard to learn from lectures and videos

### Learn more effectively through short, conceptual quizzes.

## Our wiki is made for math and science

###
Master advanced concepts through explanations,

examples, and problems from the community.

## Used and loved by 4 million people

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Learn from a vibrant community of students and enthusiasts,

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Easy Math Editor

`*italics*`

or`_italics_`

italics`**bold**`

or`__bold__`

boldNote: you must add a full line of space before and after lists for them to show up correctlyparagraph 1

paragraph 2

`[example link](https://brilliant.org)`

`> This is a quote`

Remember to wrap math in \( ... \) or \[ ... \] to ensure proper formatting.`2 \times 3`

`2^{34}`

`a_{i-1}`

`\frac{2}{3}`

`\sqrt{2}`

`\sum_{i=1}^3`

`\sin \theta`

`\boxed{123}`

## Comments

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TopNewestEven though I am the one who posted this question, I said 5. The biggest number on the one to the left is on the right arm. The biggest number on the one in the middle is the head. So, in my conclusion, I said that the biggest number has to be on the left arm. Also...

2 + ? = 7

2 - 2 + ? = 7 - 2

? = 5Log in to reply

Either 9 or 5. It seems that adding two smallest numbers will result largest number.

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9

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