m阶B树的根结点若不是叶结点,那么它至多有m棵子树,至少有 【7】 棵子树。
参考答案:B
——Could you tell me ?
——Glad to help.
A.if I have been to the Great Wall
B.where did he study
C.how I can get to the post office
D.what’s your name
根据背景材料所述,计算期内甲方的合计净现金流量为( )万元。
A.1600
B.1400
C.200
D.0