$7^2=$ 7 $\cdot$ 7 $=$ 49 $13^2=$ 13 $\cdot$ 13 $=$ 169
$300^2=$ 90000 $160^2=$ 25600
$60\,000^2=$ 3600000000 $18\,000^2=$ 324000000
$0,02^2=$ 0,0004 $1,1^2=$ 1,21
$0,0004^2=$ 0,00000016 $0,012^2=$ 0,000144
| Število |
$9$ |
$15$ |
$19$ |
$0$ |
5
|
$14$ |
$20$ |
8
|
$17$ |
10
|
| Kvadrat števila |
81
|
225
|
361
|
0 | $25$ |
196
|
400
|
$64$ |
289
|
$100$ |