整式的乘除100题

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整式的乘除练习题

1. 下列各题的计算,正确的是( )

A. 927)(a a =

B.1427a a a =⋅

C. 522632a a a =+

D. 22)5.0(101100=⨯- 2. 计算223)3(a a ÷-的结果是( ).

A.49a

B. 49a -

C.46a

D. 39a

3.4x 4y 3÷(-2xy 3)=

4.a m a n =a 2m = 5.(a 3)2= 6.a 3m-5÷a 5-m = 7.x 3x 4x 5= 8.(x 4)4= 9.a 5a 6÷(a 5)2÷a= 10.(-a)(-a 2)+a 3 = 11.

= 12.= 13.= 14.=

15.(x 5)2+x 2x 3+(-x 2)5= 16.21a 8÷7a 2= 17.x 9y 3÷x 6y 2= 18.28a 4b 2÷7a 3b= 19.(3x 2y 3+6x 2y 2)÷3xy 2= 20.(5a 2b 4-25a 3)÷(-5b 4)= 21.

22.25a 3b 2÷5(ab)2= 23.(x 4y+6x 3y 2-x 2y 3)÷3x 2y= 24 25.4x 4y 2÷(-2xy)2=______. 26.(-a 2)3÷a 3=______.27. ______÷5x 2y=5xy 2. 28.y m+2n+6=y m+2·__________.29______÷(-5my 2z)=-m 2y 3z 4. 30.(16a 3-24a 2)÷(-8a 2)=______.31.

=_____________

32.(-8x 4y+12x 3y 2-4x 2y 3)÷(4x 2y)=_______________.33.

35. =_________36 .=_______

37. =________ 38. 2)3(b a -=_______

39.=_______

40.=_________

41.=_____42.=______43.=_____ 44.=______45.

= 46.

=

47.

=

48.

=

49

=

50.= 51.= 52.=

53 .= 54. = 55.=

56. = 57 .= 58. = 59.= 60.= 61=

62.= 63.= 64.= 65.= 66.= 67.= 68.= 69.=

70.= 71.= 72.= 73.74.75.

76.= 77.= 78.= 79.= 80= 81.= 82.= 83.= 84.= 85.=

5(ab

1

ab 86

-

+)1

5

)(

87.= 88.= 89.= 90.= 91.=

92.= 93.= 93.94.

95.96.

97.= 98.=

100.=

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