题目详情

—Please show me your health code(6码), either on Wechat or Alipay.

—__________. Here it is

  • A.It’s nothing
  • B.Be carefu
  • C.Go ahead
  • D.No problem

正确答案及解析

正确答案
D
解析
暂无解析

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—__________. Here it is

  • A.It’s nothing
  • B.Be carefu
  • C.Go ahead
  • D.No problem
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[问题情境]

在一次数学兴趣小组活动中,小昕同学将一大一小两个三角 板按照如图1所示的方式摆放.其中∠ACB=∠DEB=90°,∠B=30°,BE=AC=3.

[问题探究]

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