## Task 19

$34+a=40, 40: 10=b, b \cdot a=c ; c:(a-b)+44=56 \quad$ What numbers do you need to insert for $a, b$ and $c$?
$a=6 ; b=4 ; c=24$

## 13 Grade 4

The compilation of problems for Grade 4 is incomplete and will be supplemented later.

### 13.1 1st Olympiad 1963

### 13.1.1 1st Round 1963, Grade 4