Question

спрости вираз: (t/d - d/t) · 4td/t+d​

Answer 1

Ответ:

4(t - d)

Объяснение:

$(t/d - d/t) * 4td = ((t/d) * td - (d/t)*td) * 4 = 4(t^2 - d^2) = 4(t-d)(t+d)\\4(t-d)(t+d) : (t+d) = 4(t-d)$