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更多“和80相邻的数是81和82（）”相关的问题
第3题
从一个班级中任取18名学生，测得体育成绩如下（单位：分) 81 76 85 90 82 79 84 86 83 80 79 96 90
从一个班级中任取18名学生，测得体育成绩如下(单位：分) 81 76 85 90 82 79 84 86 83 80 79 96 90 81 82 87 81 83 样本方差等__________.
第11题
单词 单词解释 （选择搭配题）76. GMT A. run slowly77. study B. in a word78.
单词 单词解释 （选择搭配题）
76. GMT A. run slowly
77. study B. in a word
78. jog C. polite social habits
79. manners D. Greenwich Mean Time
80. share E. a word that means Christmas
81. white lie F. to use, pay, have, etc.,withothers
82. Xmas G. having bad luck
83. in short H. a room in a house that is used for work or study
84. takeaway I. a lie that you tell in order to avoid hurting someone’sfeelings
85. unlucky J. a meal that you buy at a shop or restaurant to eat at home
76题——————
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请帮忙给出每个问题的正确答案和分析，谢谢！
