75 (số) – Wikipedia tiếng Việt

75 75 is a self number, a pentagonal pyramidal number, a nonagonal number, and a Keith number. It is also the count of weak orderings on four items, the fourth Bell number, and the number of uniform polyhedra in three dimensions..

tiếng anh 8 trang 75  Learn about the number 75, an odd composite number with two prime factors and six divisors. Find out its scientific notation, square root, cube root, deficiency, and more.

tiếng anh 9 trang 75  Google Tivi TCL 4K 75 inch 75P737 giá tốt, chính hãng, giao hàng tận nơi, nhiều quà tặng hấp dẫn, bảo hành chu đáo. Click xem ngay!