December 2018 1 21 Report
Oblicz.
( \sqrt{4} +3a)²
(2x- \sqrt{25} )²
(-4-b \sqrt{9} )²
Przedstaw wyrażenia w prostszej postaci
(x+3)²-2(x-5)-4=
(a-5)²+4(a-7)+2a-10=
(x+1)²-(x-2)²-4x-3=
2(a-4)²-3(a+5)²-4(a-1)=
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