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【简答题】
某班一次数学测验成绩如下: 63 84 91 53 69 81 61 69 91 78 75 81 80 67 76 81 79 94 61 69 89 70 70 87 81 86 90 88 85 82 67 71 87 75 87 95 53 65 74 77. 这组数据的极差为_________________.
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皮皮学刷刷变学霸
举一反三
【简答题】学徒往往是在工作中学习的。(on the job)
【简答题】氧化还原滴定中预处理时对所用的预氧化剂或还原剂有哪些要求?
【单选题】— Do you have any hobbies? — Yes, I do. I like ______________. [ ]
A.
make model planes
B.
making model plane
C.
making model planes
【单选题】What do we learn about Lores founders?A.They cant be bothered to design a business model.#
A.
What do we learn about Lores founders? A.They cant be bothered to design a business model.
B.
They learn a lesson from the success of Facebook.
C.
They will not make profits without drawing mass users.
D.
They desire to receive an honorary degree from the alma mater.
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