1. they /take /vegetable/market / the moment  .

->They are taking vegetble in the market at the moment.

2 . you/ drive/ work/or/go/bus

->.Do you drive to work or go go bus?.

3. there/be/small park/ front / linh / house

->There is a small park in front of Linh's house.

4. our apartment / have / four room / and / seventh floor

->Our apartment has four rooms and on the seventhfloor.

5 . brother / live / Paris / and have / bakery/ there

->My brother lives in Paris and has a bakery there.

Cho phân số a/b (a, b ∈ N, b # 0)

Giả sử a/b<1 và m ∈ N, m ≠ 0. Chứng tỏ rằng:

a/b<a+m/b+m

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