(x–80):40=640 и x–80=640•40
(x–80)•40=640 и x–80=640:40
Пошаговое объяснение:
(x-80):40=640 и x-80=640×40
(x-80)×40=640 и x-80=640:40
(x–80):40=640 и x–80=640•40
(x–80)•40=640 и x–80=640:40
Пошаговое объяснение:
(x-80):40=640 и x-80=640×40
(x-80)×40=640 и x-80=640:40