opis kasia: 2³, 3¹⁴, x², y¹⁰,5^x+1, 2^34x, 4ⁿ², 10ⁿ³⁻¹ 5^x+1, 2^34x, 4ⁿ²,10ⁿ³⁻¹ x₃, a₂₁, a²₃, b³₁₁, b_n−1, c²³_2n−1 c²=a²+b² \sqrt2, \sqrt{34}, \sqrt{x²+y²} \sqrt{2+\sqrt2} \root 3 \of 2, \root n \of {2ⁿ+3ⁿ}, \root n+1 \of {10n+2} {1\over2}, {n+5\over n+3}, {x+{1\over2}\over x²−3} 1{1\over3}+3{2\over7}−4{3\over10} \textstyle 1{1\over3}+3{2\over7}−4{3\over10} + \displaystyle {3+{1\over2}\over3} 2^{{1\over2}n−3}, n + {1\over n + {1\over n + {1\over n}}} {n\choose k} = {n!\over k!\cdot (n−k)!} 10! = 1 \cdot 2 \cdot 3 \dots 9 \cdot 10 \sum_n=1⁴ n = 1+2+3+4 f'(x)=3x−1, \int\limits_−\infty^+\infty x dx = 0 \sin²\alpha+\cos²\beta=1 \sin2\alpha = 2\sin\alpha\cos\alpha \tg30^\circ={\sqrt3\over3}, \ctg45^\circ=1 \lim_x\to2x²=4, \lim_{x\to−\infty}x²=\infty \log₁₀ 1000 = 3 3>4, 2x−1 \xle0 , 2x+3\xge0, 4\not=5 p \vee q, p \wedge q, p \Rightarrow q, p \Leftrightarrow q A \cup B, A \cap B, A \subset B, A\setminus B \emptyset, x\in A, y\not\in A |x|=\cases{ x & gdy $x\xge 0$ \cr −x & gdy $x<0 $ \cr} \left\{ \eqalign{ 10x−y &= 5\cr x+y &= 3\cr } \right.

kasia: pomyłka

huncek: XD

Jack: takie pomyłki bolą najbardziej....

huncek: kinda