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2022-04-19 20:36:09
y + 7/9 = 5/6 : 3/4 y + 7/9 = 5/6 x 4/3 y + 7/9 = 10/9 y = 10/9 - 7/9 y = 3/9 y =1/3
2022-04-19 20:25:56
câu b nhé
2022-04-19 20:24:49
2022-04-19 20:23:50
2022-04-12 21:04:54
2022-04-12 21:04:54
2022-04-12 20:58:52
2022-04-12 20:58:52
2022-04-12 20:58:52
2022-04-12 20:58:52