63/14•4 5/9-6 3/14 •1 5/9+2 11/14 •3 решите удобным - вопрос №463769463144596314159211143 от leronchik2003 15.09.2020 07:51

Question

Математика: 63/14•4 5/9-6 3/14 •1 5/9+2 11/14 •3 решите удобным

leronchik2003 · Answer

6 3/14 * 4 5/9 - 6 3/14 * 1 5/9 + 2 11/14 * 3 = 6 3/14 * (4 5/9 - 1 5/9) + 2 11/14 * 3 = 6 3/14 * 3 + 2 11/14 * 3 = 3 * (6 3/14 + 2 11/14) = 3 * 8 14/14 = 3 * 9 = 27...