Вычислите - 8/13: 4 4: 8/13 4/5: 3 3: 4/5 15/7: - вопрос №232171581344813453345157551572116772116 от ivankal 12.04.2022 23:38

Question

Математика: Вычислите - 8/13: 4 4: 8/13 4/5: 3 3: 4/5 15/7: 5 5: 15/7 21/16; 7 7: 21/16

ivankal · Answer

8/13:4 = 8/13 * 1/4 = 2/13 * 1/1 = 2/134:8/13 = 4/1 * 13/8 = 1/1 * 13/2 = 13/2 = 6,54/5:3 = 4/5 * 1/3 = 4/153:4/5 = 3/1 * 5/4 = 15/4 = 3,7515/7:5 = 15/7 * 1/5 = 3/7 * 1/1 = 3/75:15/7 = 5/1 * 7/15 = 1/1 * 7/3 = 7/3 = 2 1/321/16;7 = 21/16 * 1/7 = 3/16 * 1/1 = 3/167:21/16 = 7/1 * 16/21 = 1/1 * 16/3 = 16/3 = 5 1/3...