问题
填空题
[(a-2)-3]-1=______.x2y(x-3y)-1=______.(
|
答案
[(a-2)-3]-1=(a6)-1=a-6=
;1 a6
x2y(x-3y)-1=x2y(x3y-1)=x6;
(
)-4=xy 2x2
=1 (
)4xy 2x2
.16x4 y4
[(a-2)-3]-1=______.x2y(x-3y)-1=______.(
|
[(a-2)-3]-1=(a6)-1=a-6=
;1 a6
x2y(x-3y)-1=x2y(x3y-1)=x6;
(
)-4=xy 2x2
=1 (
)4xy 2x2
.16x4 y4