一个平行四边形的面积是6.2㎡,和它等底等高的三角形的面积是______.
6.2÷2=3.1(平方米),
答:等底等高的三角形的面积是3.1平方米.
故答案为:3.1平方米.
下面属于H.248协议的命令是().
A、Modify
B、Subtract
C、Notify
D、Move
— It's very important for you to arrive on time.
— I ____ be there at seven o'clock, I promise. [ ]
A. will
B. can
C. must
D. should