25×（80+2）=______×______+______×______．
25×（80+2）=25×80+25×2．
故答案为：25，80，25，2．
Success________ hard work while laziness ________ failure, as everyone knows.
A．results in; results from
B．results from; results in
C．leads to; lies in
D．results in; leads to
外科急腹症的特点是
A．有停经和 * * 流血史B．卧床休息后腹痛好转C．腹痛在前，发热、呕吐在后D．以呕吐及心悸为主要症状E．腹部压痛一般不明显
