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28 tháng 11 2017

Điểm C vì CD<CE<DE

2 tháng 11 2018

Vì điểm E nằm giữa 2 điểm D và C nên ta có

8 - 5,5 = DC hay DC = 3,5

Trong điểm D,C,E thì điểm C nằm giữa 2 điểm D và E

d nằm giữa hai điểm còn lại k mình nhé

17 tháng 11 2016

diem c nam giua 2 diem con lai

19 tháng 11 2017

ttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttt

8 tháng 11 2016

A,B,C thẳng hàng mà AC<AB => C nằm giữa A,B => CB=AB-AC=3-2=1CM Vì CB<CD =>  B nằm giữa C và D