January 2019 0 16 Report
1. Wykonaj mnożenie
a) (x+2)(y+1)
b) (2a+1)(3-b)
c) (a-1)(a²-b²)
d) (2x-1)(y-3)
e) (x-y)(a-b+9)
f) (k²-2k+2)(t+8)

4. Przekształć iloczyn na sumy
a) ( \sqrt{3} + 1 )(2 \sqrt{3}-2)
b) ( \sqrt{2}+ \sqrt{3})( \sqrt{6}+ \sqrt{3})
c)

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