November 2018 1 5 Report
Wzory skróconego mnożenia
1.Oblicz:
a) (2+ \sqrt{7} )^{2}
b) ( \sqrt{3} -7){2}
c) ( \sqrt{5} +2 \sqrt{3} ){2}
d) (3 \sqrt{5} -2){2}
e) ( \sqrt{5} - \sqrt{7} ) ( \sqrt{5} +\sqrt{7})
f) ( 2\sqrt{3}-2) (2 \sqrt{3}+2)

2.
a) ( \frac{1}{3} a-b) {2}


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