cho a<b . chứng minh 3a+2<3b+2 . từ đó suy ra 3a+2 <3b+5

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I. Choose the word that has the underlined parts pronounced differently. Question 1. A. the                               B. there                         C. think                         D. they Question 2. A. clumsy                         B. cute                          C. just                           D. but Question 3. A. programme                         B. sport                         C. most                         D. show Question 4. A. machine                         B. cheap                         C. watch                         D. children Question 5. A. shy                              B. why                          C. lucky                         D. buy Question 6.    A. books                            B. pencils                           C. rulers                           D. bags Question 7.    A. read                            B. teacher                           C. eat                              D. ahead Question 8.    A. tenth                            B. math                           C. brother                           D. theater