幂的乘方1.计算(102)3=_______,(103)2=________.2.计算(-x5)2=_______,(-x2)5=________,[(-x)2]5=______.3.下列运算正确的是().A.(x3)3=x3·x3;B.(x2)6=(x4)4;C.(x3)4=(x2)6;D.(x4)8=(x6)24.下列计算错误的是().A.(a5)5=a25;B.(x4)m=(x2m)2;C.x2m=(-xm)2;D.a2m=(-a2)m5.(x2)8·(x4)3等于().A.x18B.x24C.x28D.x326.计算下列各题:(1)(a5)3(2)(an-2)3(3)(43)3(4)(-x3)5(5)[(-x)2]3(6)[(x-y)3]47.x3·(xn)5=x13,则n=_______.8.(x3)4+(x4)3=________,(a3)2·(a2)3=_________.积的乘方一、填空题1.=_______________2.8.(3a2)3+(a2)2·a2=________.3.{-2[-(am)2]3}2=________4.已知(x3)5=-a15b15,则x=_______二、计算1)、(-5ab)22)、-(3x2y)23)、2(anbn)2+(a2b2)n4)、(0.2x4y3)25)、(-a2)2·(-2a3)26)、(-a3b6)2-(-a2b4)37)、-(-xmy)3·(xyn+1)28)、2(anbn)2+(a2b2)n9)、(-2x2y)3+8(x2)2·(-x2)·(-y3)10332)311(cab322223abbca积的乘方1、计算(1)(2)(3)(4)(5)(6)2、计算(1)(2)32-2xy24nab322ab3ab33xy332)311(cab2222(2)xxxxxx342332434423()2aaaaaaa幂的乘方与积的乘方练习题⒈⒉⒊4.5.=6.若,则=____,=_____.7.计算(1)(2)(3)(4)(5)8.已知,求的值42(5)=33()=x221[()]32()mx2532()()bb55()()mmxx3232xx3()214()aaa23222(3)()aaa2,3nnxy()nxy23()nxy4224223322()()()()()()xxxxxxxx333,2mnab233242()()mnmnmnababab⒈积的乘方等于.⒉计算:3.计算:⑴⑵(3)(4)(5)(6)4.正方体的棱长是毫米,则它的表面积为多少毫米2?它的体积为多少毫米3?5.若,求正整数m的值.62(310)22(2)xy23()ab33(4)xy234()xyx2343()[()]xx32234()()xyyy232423()()()abab23102322[()]()xyxy211693m3322373345aaaaa