Пошаговое объяснение:
x-(13 16/51)=2 7/51+49/51
x-(13 16/51) = 2 56/51
x = 2 56/51 + 13 16/51
x = 15 72/51
x = 16 21/51
Пошаговое объяснение:
x-(13 16/51)=2 7/51+49/51
x-(13 16/51) = 2 56/51
x = 2 56/51 + 13 16/51
x = 15 72/51
x = 16 21/51