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2023-06-10 05:58:01
AA
2023-06-10 05:58:01
2022-12-18 19:06:52
\(\dfrac{19}{8}\times\dfrac{16}{9}+\dfrac{19}{8}\times\dfrac{2}{9}-\dfrac{19}{8}\)
= \(\dfrac{19}{8}\times\left(\dfrac{16}{9}+\dfrac{2}{9}-1\right)\)
= \(\dfrac{19}{8}\times\left(\dfrac{16+2}{9}-1\right)\)
= \(\dfrac{19}{8}\times\left(2-1\right)\)
= \(\dfrac{19}{8}\)
2022-06-27 09:45:03
AA
2022-05-27 09:38:05
2022-05-23 08:04:34
AA
2022-05-23 08:04:34
AA
2022-05-23 08:04:34
AA
2022-05-23 08:04:34
AA
2022-05-23 08:04:34
