你能帮帮他们吗
精彩回答
—How are you getting along with your presentation? —Almost ready, and I ______ all I am supposed to.
11个月前
如果一个矩形较短的边长为5cm.两条对角线所夹的角为60°,则这个矩形的面积是_____cm2
1年前
________ mothers can't come to the meeting because they have gone to Dalian.
1年前
加上适当的词语,使句子更具体。 1.公园里盛开着鲜花。 _______________________________
1年前
写出与下列各角终边相同的角的集合S,并把S中适合不等式-720°≤α<360°的元素α写出来 (1)1303°8′ (2)-225°
1年前