在一段长84米的公路两边各种8棵树(两头都种)树与树之间的距离相等, 每两棵树之间的距离是多少米?
84÷(8-1)=12(米)
答:每两棵树之间的距离是12米。
Which of the following is true according to the speaker().
A.He is looking for a job in a law firm.
B.His lawyer always works with him.
C.He works in a law fn-m part-time.
如何激发与维持青少年的学习动机?