20 13/24 ; 2 13/60; 4; 28 8/9
Пошаговое объяснение:
99/8+49/6= 297/24+196/24= 493/24=20 13/24
62/15+127/20= 248/60+381/60= 133/60=2 13/60
197/21+56/14= 394/42+ 168/42= 4
77/9+31/4+151/12= 308/36+279/36+453/36= 1040/36=28 32/36=28 8/9
20 13/24 ; 2 13/60; 4; 28 8/9
Пошаговое объяснение:
99/8+49/6= 297/24+196/24= 493/24=20 13/24
62/15+127/20= 248/60+381/60= 133/60=2 13/60
197/21+56/14= 394/42+ 168/42= 4
77/9+31/4+151/12= 308/36+279/36+453/36= 1040/36=28 32/36=28 8/9