ax^3y+axy^3-2ax²y² x²(x-y)+(y-x) 已知|3x+2y+3|+
ax^3y+axy^3-2ax²y² x²(x-y)+(y-x) 已知|3x+2y+3|+(5y+2x-9)²=0,求3x-2y的值.
she put on her new coat quickly and_________(go)out with her friends.
Which animal only _______(live) in China?
His uncle _______(return)from Australia in a week.
我们明天一起去游泳好吗?(show me)
晚饭之后他常常绕着公园跑步.(run around)
I think is some bread in the fridge.改为否定句
I ——— ——— there is ______bread in the fridge
I can see (fire bags) of rice in the car.(对划线部分提问)
———— ———— rice can you see in the car?