中国第一所大学是京师大学堂。
代数式x1-a+ln10+sin(x2+2л)/cos(57o)对应的VisualBasic表达式是() ["X1-AbsA.+Log(10)+Sin(X2+2*3.14)\/Cos(57*3.14\/180)","X1-AbsA.+Log(10)+Sin(X2+2*л)\/Cos(57*3.14\/180)","X1-AbsA.+Log(10)+Sin(X2+2*3.14)\/Cos(57)","X1-AbsA.+Log(10)+Sin(X2+2*л)\/Cos(57)"]
换向时凸轮轴需要作轴向移动的是() ["双凸轮换向","机械差动换向","液压差动换向","单轴鸡心凸轮差动换向"]
试述奖金的含义、性质和特点?
如果X是一个正的实数,将千分位四舍五入,保留两位小数的表达式是() ["0.01*int(x+0.05)","0.01*int(100*(x+0.005))","0.01*int(100*(x+0.05))","0.01*int(x+0.005)"]
余氯量