规定一种新的运算:a△b=a·b﹣a+b+1,例如:3△4=3×4﹣3+4+1,请比较(﹣3)△5( )5△(﹣3)(填“<”“=”“>”)
>
Zhou Libo is Shanghai's favorite funny man. He is good at making people laugh. His lively shows were____hot that tickets sold out in minutes. [ ]
A. very
B. too
C. such
D. so
计算相对数的目的是()。
A.为了进行显著性检验
B.为了表示绝对水平
C.为了便于比较
D.为了表示实际水平
E.为了表示相对水平