因式分[解] 27x2+18x+3=______．
参考答案：3(3x+1)2
解析：原式=3(9x2+6x+1)=3(3x+1)2．
Because her mother was ill, she had no _____ to go to the New Year Party．
A．taste
B．emotion
C．sense
D．mood
A．5A
B．5A
C．5/2A
D．/2A
A
/2
/2A