ответ:1/5-1/6 =6/30-5/30=1/30
3/4-1/3 =9/12-4/12=5/12
7/9-2/11 =77/99-18/99=59/99
3/4-4/9 =27/36-16/36=11/36
7/8-5/12 =42/48-20/48=22/48=11/24
11/12-11/18=33/36-22/36=11/36
Пошаговое объяснение:
ответ:1/5-1/6 =6/30-5/30=1/30
3/4-1/3 =9/12-4/12=5/12
7/9-2/11 =77/99-18/99=59/99
3/4-4/9 =27/36-16/36=11/36
7/8-5/12 =42/48-20/48=22/48=11/24
11/12-11/18=33/36-22/36=11/36
Пошаговое объяснение: