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Biderkadura nabarmenak

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Ariketa honetan biderkadura nabarmenak birpasatzeko balio du.
Gogoratu formula hauek direla:
(a + b)^2 = a^2 + 2ab + b^2 //
(a - b)^2 = a^2 - 2ab + b^2 //
(a + b)·(a - b) = a^2 - b^2
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3 eso biderkadura nabarmenen erabilera Recommended age: 14 years old
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Created by

Carlos San Anton
Carlos San Anton
Spain

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