猜你喜欢
- 1好的过渡句(语文)
- 2先化简,再求值:2b2+(a+b)(a-b)-(a-b)2,其中a=-3,b=1/2.
- 3小明的奶奶家门口种着一棵树,他想知道这棵树的高度,于是他拿来一根长1米的竹竿竖直放置在地上,测得此
- 4The reason---I'm writing is that I want to tell you about a party on Saturday.
- 5先合并同类项,再求值:a³+a²b-ab²-a²b+ab²+b³,其中a=1,b=-1.
- 6What do you know about wedding ceremonies in Chinese?
- 7在计算元素的相对原子质量中,原子数百分比是什么
- 8问4到初三物理应用题,会的进
- 91/a-1/b=1/2则2a-3ab-2b/b-ab-a的值,
- 10(1)11-22+33-44+55-66+77-88+99-100=? (2)11-22+33-4