北海德昌电机招聘信息:一道数学题 急用

来源:百度文库 编辑:高校问答 时间:2024/04/29 16:05:15
填空题:
a^6 b*(-4a^6 b)= ( )
x(-5x-2y+1)= ( )
(6a^2+4a-10ab)÷(2a)= ( )
-a^2 b^4 c^3÷(-5/6abc^2)= ( )
( )÷(-4a^2)=12a^4-16a^3+4a^2.

-4a^12b
-5x^2-2xy+x
3a+2-5b
6/5ab^3c
-48a^6+54a^5+16A^4.

a^6 b*(-4a^6 b)= (-4a^12b )
x(-5x-2y+1)= (-5x^2-2xy+x )
(6a^2+4a-10ab)÷(2a)= (3a+2-5b )
-a^2 b^4 c^3÷(-5/6abc^2)= (6/5ab^3c )
( -48a^6+54a^5+16A^4. )÷(-4a^2)=12a^4-16a^3+4a^2.