Пошаговое объяснение:
4 13/14 - 2 1/4 = 69/14 - 9/4= 138/28 - 63/28= 75/28 = 2 19/28
3 1/21 - 2 1/4 = 64/21 - 9/4= 256/84 - 189/84= 67/84
4. 13/14 - 2. 1/4 = 4. 52/56 - 2. 14/56 = 2. 38/56 = 2. 19/28
3. 1/21 - 2. 1/4 = 3. 4/84 - 2. 21/84 = 2. 88/84 - 2. 21/84 = 67/84
Пошаговое объяснение:
4 13/14 - 2 1/4 = 69/14 - 9/4= 138/28 - 63/28= 75/28 = 2 19/28
3 1/21 - 2 1/4 = 64/21 - 9/4= 256/84 - 189/84= 67/84
Пошаговое объяснение:
4. 13/14 - 2. 1/4 = 4. 52/56 - 2. 14/56 = 2. 38/56 = 2. 19/28
3. 1/21 - 2. 1/4 = 3. 4/84 - 2. 21/84 = 2. 88/84 - 2. 21/84 = 67/84