## Task 6

Complete!

![](https://cdn.mathpix.com/cropped/2024_06_06_b85a894aa8dbf722a7b3g-2402.jpg?height=320&width=243&top_left_y=842&top_left_x=455)

$$
\begin{aligned}
& 6+2+1=9 \\
& \bigcirc+2+\bigcirc=9 \\
& \bigcirc+\bigcirc+1=9 \\
& \bigcirc+2+\bigcirc=9
\end{aligned}
$$
Equations: $\mathbf{5}+2+\mathbf{2}=9 ; \mathbf{4}+\mathbf{4}+1=9 ; \mathbf{3}+2+\mathbf{4}=9$

## 11 Grade 2

### 11.1 2nd Olympiad 1964

The 1st Olympiad was not held in Grade 2.

### 11.1.1 1st Round 1964, Grade 2