单项选择题
A.机器B.汇编C.面向过程的高级D.面向对象的高级
A.ax+sin(a)cos(b)/(ab)B.a*x+sin(a)cos(b)/(ab)C.a*x+sin(a)*cos(b)/(a*b)D.ax+sin(a)*cos(b)/(ab)
A.0B.1C.5D.25