A:12xyz
B:12x2yz
C:24xyz
D:24x2yz
形近字组词
塞____ 腊____ 绩____
赛____ 蜡____ 纪____
已知x=2是不等式(x-5)(ax-3a+2)≤0的解,且x=1不是这个不等式的解,则实数a的取值范围是( )
— ______ are they going to have a picnic?
— In a park.
— OK, Mum.