Họ nguyên hàm của hàm số f x = 3 x 2 + 1  là

A.  x 3 + C .

B.  x 3 3 + x + C .

C.  6 x + C .

D.  x 3 + x + C .

Read the following passage and choose the best answer for each blank.

S.E.A. WRITE AWARD

The S.E.A. Write Award, or Southeast Asian Writers Award, is an award that has been (36) ________ annually since 1979 to poets and writers in Southeast Asia with the (37)________to encourage writers in ASEAN countries through (38) ________of the region’s creative literary talents and to bring together the many talents of ASEAN writers. The award is given to a writer from each of the (39) ________ countries of the ASEAN. An author may receive the award for a(n) (40) ________ work of literature or their lifetime achievement. The types of works that are honoured are (41) ________ poetry, short stories, novels, plays, folklore, and (42) ________ or religious works. The award ceremony is held in Bangkok every year, in the presence of the Thai Royal family and distinguished guest speakers who are leading figures in the literary (43) ________. Nguyen Nhat Anh was honoured in 2010 for his most well-known novel “Kinh van hoa” (Kaleidoscope), which contained 54 volumes and has recently been (44) ________ into three drama series of the same name. He is regarded as one of the most successful writers for teens. Viet Nam has participated in the awards since 1996 and 18 Vietnamese writers and poets (45) ________laureates so far.

 Question 42:

A. academic

B. industrial

C. scientific

D. technological

Cho tam giác ABC vuông tại A có AC = 20 cm. Kẻ AH vuông góc với BC. Biết BH = 9cm, HC = 16 cm. Tính độ dài cạnh AB, AH?

A.  A H = 12 c m ; A B = 15 c m

B.  A H = 10 c m ; A B = 15 c m

C.  A H = 15 c m ; A B = 12 c m

D.  A H = 12 c m ; A B = 13 c m

ê cả tay

67+12-14= 65  

   91-11-14= 66  

  89-11-11=67

 99-11-80= 8 

   100-99-1= 0  

  99-81-11= 7   

     77-60-13= 4  

       88-12-15=61

111-111= 0            999-888=  111         777-444= 333                 555-111= 444             

 888-111= 777           999-666= 333            777-000=  777          111-000= 111

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