October 2018 1 19 Report

wzory skróconego mnożenia
3.Oblicz
a)(2\sqrt{3}-\frac{3}{2})^2 - (2\sqrt{3}+\frac{3}{2})^2

b)(4-\sqrt{5})(4+\sqrt{5})-(\sqrt{5}-2)(2+\sqrt{5})

c)(\sqrt{6}-\sqrt{5})(\sqrt{6}+\sqrt{5})+(\sqrt{6}-\sqrt{5})^2


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