Ответ:
7x- 10t
--------
xt
Объяснение:
15x-10 15t-7 t(15x-10)-x(15t-7)
---------- - ------- = --------------------- =
x t xt
15xt-10t-15xt+7x 7x- 10t
----------------------- = --------
xt xt
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Ответ:
7x- 10t
--------
xt
Объяснение:
15x-10 15t-7 t(15x-10)-x(15t-7)
---------- - ------- = --------------------- =
x t xt
15xt-10t-15xt+7x 7x- 10t
----------------------- = --------
xt xt