《168+398》+y=178aflati termenul necunoacut

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Grade: Education Subject: matematica
《168+398》+y=178aflati termenul necunoacut
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Best Answer
(57)
(168+398)-y=178
566-y=178
y=566-178
y= 388
(78)
(168+398)+y=178
566+y=178
566-178=388(y)
Sper ca te-am ajutat !