我会填
“举”字共____画,音序是____。
“遗”字共____画,部首是____。
After watching Bite of China II, many foreigners ________ the Chinese delicious food.
请将下列代数式进行分类 (至少三种以上)
12,a,3x,y+1y,a2+b2,a+13,a2+x,4x2ay,x+8.