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Net income/(loss) per share (Details) ¥ / shares in Units, $ / shares in Units, ¥ in Thousands, $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 USD ($) $ / shares shares | Dec. 31, 2019 CNY (¥) ¥ / shares shares | Dec. 31, 2018 CNY (¥) ¥ / shares shares | Dec. 31, 2017 CNY (¥) ¥ / shares shares
Numerator: |  |  |  |
Net income/(loss) from continuing operations attributable to ordinary shareholders | $ 1,750,144 | ¥ 12,184,155 | ¥ (2,491,633) | ¥ 116,819
Net loss from discontinued operations attributable to ordinary shareholders | ¥ |  |  |  | (269,076)
Net income/(loss) attributable to ordinary shareholders | $ 1,750,144 | ¥ 12,184,155 | ¥ (2,491,633) | ¥ (152,257)
Denominator: |  |  |  |
Weighted average number of shares - basic | 2,912,637,241 | 2,912,637,241 | 2,877,902,678 | 2,844,826,014
Adjustments for dilutive options and RSUs | 54,684,562 | 54,684,562 |  | 66,635,803
Weighted average number of shares - diluted | 2,967,321,803 | 2,967,321,803 | 2,877,902,678 | 2,911,461,817
Basic net income/(loss) per share from continuing operations attributable to ordinary shareholders | (per share) | $ 0.60 | ¥ 4.18 | ¥ (0.87) | ¥ 0.04
Basic net loss per share from discontinued operations attributable to ordinary shareholders | ¥ / shares |  |  |  | (0.09)
Basic net income/(loss) per share attributable to ordinary shareholders | (per share) | 0.60 | 4.18 | (0.87) | (0.05)
Diluted net income/(loss) per share from continuing operations attributable to ordinary shareholders | (per share) | 0.59 | 4.11 | (0.87) | 0.04
Diluted net loss per share from discontinued operations attributable to ordinary shareholders | ¥ / shares |  |  |  | (0.09)
Diluted net income/(loss) per share attributable to ordinary shareholders | (per share) | $ 0.59 | ¥ 4.11 | ¥ (0.87) | ¥ (0.05)

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