September 2018 1 42 Report

Zadanie 12 strona 88 Matematyka z plusem kasa 2 gimnazjum Temat Wzory skróconego mnożenia.

Oblicz:

a)(\sqrt{2}+1)(\sqrt{2}-1) \\b)(8-5\sqrt{3})(8+5\sqrt{3}) \\c)(\sqrt{\pi}-\sqrt{2})(\sqrt{\pi}+\sqrt{2})(\pi+2) \\d)(\sqrt{\pi+1}+\sqrt{\pi-1})(\sqrt{\pi+1}-\sqrt{\pi-1})


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