Пошаговое объяснение:
1) 3. 3/5 - 1. 2/3 = 3. 9/15 -
1. 10/15 = 2. 24/15 - 1. 10/15 = 1. 14/15
2) 4. 1/15 - 2. 7/9 = 4. 3/45 - 2. 35/45 = 3. 48/45 - 2. 35/45 = 1. 13/45
3) 1. 14/15 : 1. 13/45 = 29/15 : 58/45 = 29/15 * 45/58 = 1/1 * 3/2 = 3/2
4) 3/2 * 2. 3/5 = 3/2 * 13/5 = 39/10 = 3. 9/10 или 3,9
Пошаговое объяснение:
1) 3. 3/5 - 1. 2/3 = 3. 9/15 -
1. 10/15 = 2. 24/15 - 1. 10/15 = 1. 14/15
2) 4. 1/15 - 2. 7/9 = 4. 3/45 - 2. 35/45 = 3. 48/45 - 2. 35/45 = 1. 13/45
3) 1. 14/15 : 1. 13/45 = 29/15 : 58/45 = 29/15 * 45/58 = 1/1 * 3/2 = 3/2
4) 3/2 * 2. 3/5 = 3/2 * 13/5 = 39/10 = 3. 9/10 или 3,9