34 3/4+12 3/7-7 1/3*4 3/7=? .решите - вопрос №343412377134377772828 от golubalex01 14.04.2022 17:26

Question

Математика: 34 3/4+12 3/7-7 1/3*4 3/7=? .решите

golubalex01 · Answer

2            3         134 3/10 + 12 3/7 - 7 1/3 * 4 3/7 = 14  59/841) 7 1/3 * 4 3/7 = 22/3 * 31/7 = 682/21 = 32  10/21 2) 34 3/4 + 12 3/7 = 139/4 + 87/7 = 973/28+ 348/28 =1321/28 = 47  5/283) 47 5/28 - 32 10/21 = (47-32)+(5/28-10/21)= 15+(105/588 - 280/588) =     = 15 - 175/588 = 14  413/588 = 14 59/84...