12:3=4
boki 4cm
16 pierwiatek z 3
-------------------
4
4 pierwiastki z 3
Ob = 12 cm
Ob = 3a
3a = 12 cm /:3
a = 4 cm
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12:3=4
boki 4cm
16 pierwiatek z 3
-------------------
4
4 pierwiastki z 3
Ob = 12 cm
Ob = 3a
3a = 12 cm /:3
a = 4 cm