整式的乘除100题

1. 下列各题的计算,正确的是（ ）

A. (a7)2a9 B.a7a2a14 C. 2a23a26a5 D. (0.5)10021012 2. 计算(3a3)2a2的结果是( )．

A.9a4 B. 9a4 C.6a4 D. 9a3

3.4x4y3÷(-2xy3)= 4.aman=a2m= 5．(a3)2= 6．a3m-5÷a5-m= 7．x3x4x5= 8.(x4)4= 9.a5a6÷(a5)2÷a= 10.(-a)(-a2)+a3 = 11.

= 12.= 13.= 14.=

15.(x5)2+x2x3+(-x2)5= 16.21a8÷7a2= 17.x9y3÷x6y2= 18.28a4b2÷7a3b= 19.(3x2y3+6x2y2)÷3xy2= 20.(5a2b4-25a3)÷(-5b4)= 21.

22.25a3b2÷5(ab)2= 23.(x4y+6x3y2-x2y3)÷3x2y= 24 25.4x4y2÷(-2xy)2=______． 26.(-a2)3÷a3=______．27. ______÷5x2y=5xy2． 28.ym+2n+6=ym+2·__________.29______÷(-5my2z)=-m2y3z4． 30.(16a3-24a2)÷(-8a2)=______．31.

32.(-8x4y+12x3y2-4x2y3)÷(4x2y)=_______________．33.

=_____________

35. 37. 39.41.44.47.

=_________36 .=________ 38. =_______ =_____42.=______45.

=

48.

=_______

(3ab)2=_______

=_________

40.=______43.= 46.

=

49

=_____ =

=

50.53 .56. 59．62.65.68．70.73．76.79．82．

= 51.

= 54. = 57 .= 60．= 63．= 66.

= 52.= 55.= 58. = 61= 64.= 67.

=

= 72.

75．= 78.= 81.= 84.

= =

= = = =

= 69．= 71． 74．= 77．= 80= 83.

=

= = =

(5ab1)(5ab1) 86 85．

87．90．92．93．95．97．100．

= 88．= 91．= 93． 94．

96．= 98．

=

= 89.

= =

=

=