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• 2?????????:???11?4?????
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• 4??:????3??????????????
• 5??????????5?7??????????
• 6??????:??????????????
• 7?????????????????????
• 8????????????????????
• 9??:??????4????????????
• 10??:??????0.7???????5.84?
• 11???«???»???????????(?)
• 12??????????5?7??????????
• 13«????3»??????????????
• 142017???????????
• 15???22+9????????36??????
• 16?????????????????????
• 17???????????80?????????
• 18???????????????????????
• 19??????????????????
• 20??«??»?????????????