x2y22F3x + y2k + 1x + y2k + 1ab/2a0 +1a1 +1a2 +1a3 +1a4a0 +1a1 +1a2 +1a3 +1a4nk/2p2x2pp − 2 −11 − x11 − x2∑0 ≤ i ≤ m0 < j < nP(i , j)x2yp∑i = 1q∑j = 1r∑k = 1aijbjkcki1 + 1 + 1 + 1 + 1 + 1 + 1 + x∂2∂x2 +∂2∂y2|φ(x + iy)|2 = 0222xt∫1dtt∬Ddxdyf(x) =1/3if 0 ≤ x ≤ 12/3if 3 ≤ x ≤ 40elsewherek timesx + ⋯ + xyx2∑p primef(p) =∫t > 1f(t)dπ(t){k a'sa, … , a ,l b'sb, … , bk + l elements} | a | b | | c | d | | | e | f | | g | h | |
| 0 | | i | j | | k | l | |
det| c0 | c1 | c2 | ⋯ | cn |
| c1 | c2 | c3 | ⋯ | cn + 1 |
| c2 | c3 | c4 | ⋯ | cn + 2 |
| ⋮ | ⋮ | ⋮ | ∷ | ⋮ |
| cn | cn + 1 | cn + 2 | ⋯ | c2n |
> 0yx2x3141592 + πxzdcyaby‴3