It's very cold in the mountains.You'd better take your_____.
人气:159 ℃ 时间:2020-03-08 12:12:37
解答
coatAn office building suddenly catches fire when 1245 people are working in it.The firefighters come soon. with their help,974 people get out safely and 249 people are sent to hosoital.How many people still remain in thebuilding?
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