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2 năm trước
Trên đoạn thẳng AB lấy điểm M nằm giữa A,B. Gọi E là trung điểm của AM. K là trung điểm của MB. Chứng minh EK= 0,5.AB
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Các câu hỏi liên quan

1) I (go)............................to Ben Thanh market last Monday
2) He (get)..............................up at 7 o’clock yesterday.
3) What time you (go) .....................to bed last night?
4) She ( not go)..................................to work last weekend.
5) Lan (meet).................................her at the party 3 years ago.
6) Last summer vacation,Mom (not buy).............................me a new buy?
7) When he (leave)............................... for work last week.
8) What you (do)................................. yesterday?
9) We (begin)....................................to learn English 3 years ago.
10) She (be).........................................an engineer last week.
11) Lan (be not)...................................at home yesterday.
12) He (wear) .....................................the shirt last week.
13) They (be ) ................................here yesterday.
14) You (go) ...............................to school yesterday?
15) Tam (be)...................................... at home last night? – Yes, he (be).
16) Where he (go)........................................ yesterday?
17) I (be)......................................... sick last night.
18) Why you (not come ).............................. to class yesterday?
19) We (be) ................................in the library yesterday.
20) Hoa (buy) ...................................a lot of things for her birthday party.

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