September 2018 1 58 Report

Wyznacz: x + y, x - y, x · y, x/y, x² (wynik doprowadź do postaci a + b √c), gdy:

a) x = 3 + 2 √3 y = 2 - √3

b) x = 2 - 5 √7 y = 1 - √7

c) x = 4 + 5 √2 y = 3 + 3 √2


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