1 |  | Algebra and trigonometry with analytic geometry / Earl W. Swokowski, Jeffery A. Cole . - 13th ed. - Boston, MA : Cengage Learning, 2012. - xix, 840 [96] pages ; 26 cm Mã xếp giá: 512 S979Đăng ký cá biệt: Lầu 2 KLF: 2000007407 |
2 |  | Sums and products / Titu Andreescu, Marian Tetiva . - Plano, TX : XYZ Press, 2018. - vi, 338p. ; 20 cm Mã xếp giá: 512.13 A558Đăng ký cá biệt: Lầu 2 KLF: 2000035682 |