选词填空。
playing, name, brother, read, good
My ____is Jill. This is my____. He can____. He likes ____football. He's a____ boy. I like him. We are happy.
9×1.8﹣12x=1.8
23 x+75%x= 16
5.6÷(70%x)=5%
x: 613 =3.25: 312 .
全部位于南方地区的省级行政单位有( )。