y2+6y+8−y2−2y\frac{y^2+6y+8}{-y^2-2y}−y2−2yy2+6y+8
5n=−5+5n5n=-5+5n5n=−5+5n
0,368−0,25140,368-0,25140,368−0,2514
(x+x3)(x−x3)\left(x+x^3\right)\left(x-x^3\right)(x+x3)(x−x3)
+7<3−4<18+7<3-4<18+7<3−4<18
limx→1(5+x−5x)\lim_{x\to1}\left(\frac{\sqrt{5+x}-\sqrt{5}}{x}\right)x→1lim(x5+x−5)
2+7⋅62+7\cdot62+7⋅6
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