整式的乘法3 0 0 题专项训练 同底数幂的乘法:底数不变,指(次)数相加。公式:am·an=am+n 1、填空: (1) 53 xx ; 32 aaa ; 2xxn ; (2)32)()(aa ;bbb32 2x =6x ; (3)32)(xx ;10104 ;32333 ; (4)34 aaa = ; 53222 = ; (5) 352aaa = ;(1)32 aa =___________; (6)62)()(aaa ; mmmm2543•••= ; (7)43)()(abab ;2xxn ; (8)6231)31( ;461010 2、简单计算: (1)64 aa (2)5bb (3)32 mmm (4)953cccc 3.计算: (1) 23 bb (2) 3)(aa (3)32)()(yy (4)43)()(aa (5) 24 33 (6)67)5()5( (7)32)()(qqn (8)24)()(mm (9)32 (10)54)2()2( 4.下面的计算对不对?如果不对,应怎样改正? (1)523632; (2)633aaa; (3)nnnyyy22; (4)22mmm; (5)422)()(aaa; (6)1243aaa; 二、幂的乘方:幂的乘方,底数不变,指数相乘.即:(am)n=amn 1 、填空: (1) )2(24=___________ (2) )3(32=___________ (3))2(22=___________ (4) )2(22=___________ (5) )(77m = ___________ (6) )(335 mm= ___________ 2 、计算 : (1 )(2 2)2; (2 )(y 2)5 (3 )(x 4)3 (4 ) )(3bm (4 )(y 3)2 • (y 2)3 (5 ))()(45aaa•• (6 )xxx72)(23• 三、积的乘方:等于把积的每一个因式分别乘方,再把所得的幂相乘.(ab)n=anbn 1、填空: (1)(2x)2=___________(ab)3 =_________(ac)4. =__________ (2)(-2x)3 =___________)2(22a=_________)(42a=_________ (3))2(23ba =_______ )2(422ba=_________ (4)(xy3)2=_________(5)_ _ _ _ _ _ _ _ _ _)(abn (6))(_ _ _ _ _ _ _ _ _ _)(为正整数nabcn (7)_ _ _ _ _ _ _ _ _ _3212)(3 ba (8)_ _ _ _ _ _ _ _ _ _333)(baab(9)_ _ _ _ _ _ _ _ _ _2 )3(2 yx (9)_ _ _ _ _ _ _ _3 )(3 bann...