Пошаговое объяснение:
1)8*4/11+8*7/11 = 8*(4/11 + 7/11) = 8 * 11/11 = 8 * 1 = 8
2)5*1/7+5*6/7 = 5*(1/7 + 6/7) = 5 * 7/7 = 5 * 1 = 5
Пошаговое объяснение:
1)8*4/11+8*7/11 = 8*(4/11 + 7/11) = 8 * 11/11 = 8 * 1 = 8
2)5*1/7+5*6/7 = 5*(1/7 + 6/7) = 5 * 7/7 = 5 * 1 = 5