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现在参加这个测试
Practice Test 1A
  • 1. - (x2 - 2x + 5)=
  • 2. - (3x - 4y + 7)=
  • 3. -(2a + 3b + 4c) =
  • 4. -(- 3a + 2b - c) =
  • 5. - (3x + 7) + 2 =
  • 6. 2 - (4x -8) =
  • 7. 2y - (3y - 4)=
  • 8. - 4y - (3x - 7y)=
  • 9. 5y - (4x + 7y)- 2x
  • 10. 3a -(2a + 4b) -6b =
  • 11. 3[4x - 7]+5 =
  • 12. 8[2 - 3x]- 5 =
  • 13. [4x - 3(x -1) + 6]=
  • 14. [6x - 2(3x - 6) +8]=
  • 15. 2[3(2x -1) + 7]=
  • 16. - 8[2(3x + 4)- 2x]=
  • 17. [7(x - 3)+ 4]-[6(3x - 2)+ x]=
  • 18. [2(3x -1)+ 5]-[7(x + 4)- 8]=
  • 19. 3{[6(x - 4) + 2]-[3x + 2]}=
  • 20. 2{[3(x - 6) +1]- 4[3(x - 2)- 3]}=
参加了这次测试的学生也参加了 :
Geometry Lines and Angles
Geometry ~angle pairs
Quadratic formula/factorising
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