整式的乘法计算题专项训练(精心整理、很全)
1、填空:
(1)x3x5;aa2a3;x
x2;
(2)a2a3;b2b3bx2=x6;
3x2x3;10410;33233;
4aa4a3;22325;
5a2a5a3;(1)a2a3___________;
mmmm6a2aa63452
7ba3ba4;x
x2;
812
16
106104
33
2、简单计算:
(1)a4a6
(2)bb5
(3)mm2m3
3计算:
(1)b3b2
(4)cc3c5c9(2)aa3
(3)y2y3
(4)a3a4
(5)3432
(6)5756
(7)q2
q3
(8)m4m2
(9)23
(10)2425
4.下面的计算对不对?如果不对,应怎样改正?
(1)233265;
(2)a3a3a6;
(3)y
y
2y2
;
(4)mm2m2;
(5)a2a2a4;
(6)a3a4a12;
二、幂的乘方:幂的乘方,底数不变,指数相乘.即:(am)
am
f1、填空:
1224___________
3222___________
m(5)
77___________
2、计算:
(1)(22)2;
(2)y25
2332___________(4)222___________mm(6)533___________
(3)(x4)3
(4)bm3
(4)(y3)2(y2)3
(5)aa5a4
(6)2x32xx7
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
a
b
1、填空:
(1)(2x)2___________(ab)3_________ac4__________
2aa(2)(-2x)3___________
2
2
_________
4
2
_________
(3)2a2b
3
_______
2a2b42_________
ab(4)(xy3)2=_________(5)
__________
(6)abc
__________
为正整数
(7)
12
a
2
b
3
3
__________
(8)
ab3
a3b3
__________(9)
3x
2
2
y
__________
(9)a
b3
3
________a2
b
3
___________
10x2y33________x3y22___________
2、计算:(1)(3a)2
(2)(-3a)3
(3)(ab2)2
(4)(-2×103)3
(5)(103)3
(6)(a3)7
(7)(x2)4;(8)(a2)3a5
f3、选择题:
(1)下列计算中,错误的是()
Aa2b32a4b6
B3x2y229x4y4
C
x
y
3
x
y3
Dm3
22m6
4
(2)下面的计算正确的是()
Am2m3m5
Bm2m3m5
Cm3
2m5
2
222D
m
m
四、整式r