1. |
Zapišemo izraz. |
|
2. |
Črke zamenjamo s številom. |
|
3. |
Izračunamo številski izraz. |
| $c$ | $2$ | $4$ | $6$ | $8$ | $10$ |
| $(3+c)\cdot 5+2 \cdot c$ |
29 | 43 | 57 | 71 | 85 |
$2 \cdot$ 4 $+4-$ 4 $:2=$
$=$ 8 $+4-$ 2 $=$
$=$ 10
| $x$ |
$25$ |
$13$ |
$68$ |
$71$ |
$84$ |
$99$ |
$108$ |
| $x-13$ |
$12$ |
0
|
55 | 58 | 71 | 86 | 95 |
| $a$ | $10$ | $20$ | $77$ | $213$ |
| $a+2$ |
12
|
22 | 79 | 215 |
| $a+18$ | 28 | 38 | 95 | 231 |
| $a-3$ | 7 | 17 | 74 | 210 |