Ответ:20a * 5b =
= 5 (4a * b)
a = 48,
b = 4
5* (4*48*4) =
= 5* 768 =3840
Пошаговое объяснение:
20×a×5×b
20×48×5×4=19200
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Ответ:20a * 5b =
= 5 (4a * b)
a = 48,
b = 4
5* (4*48*4) =
= 5* 768 =3840
Пошаговое объяснение:
= 5 (4a * b)
a = 48,
b = 4
5* (4*48*4) =
= 5* 768 =
= 3840
------------------------------------------
20×a×5×b
20×48×5×4=19200