求下列各等式中的x的值。
(1)2x2=8;
(2)x2+27=0;
(3)2(x-1)2-18=0。
解:(1)
;
(2)
(3)
或。
This is a famous ancient Chinese painting a real story that happened in Han Dynasty.
A take on B based on C depended on D lived on
接口芯片的作用是扩展_____。
A、程停存储器;
B、数据存储器;
C、输入输出端口;
D、地址线数日。