冲哥黑哥爆料玩偶

乜亚须4787把两面镜子面对面平行放置,在两面镜子中间放一个小玩具,镜子中会出现几个玩具的影像? -
崔翔安15041223137 ______[答案] 每个镜子中都会出现无数个玩具影像.

乜亚须4787两面镜子面对面平行放置,在其中间放一玩具,镜面中会出现多少个玩具影像 -
崔翔安15041223137 ______[答案] 无数个s=360°/n -1 360/0 =无数个-1 还是无数个

乜亚须4787主动语态变被动语态 1. They promised Mary a new doll for her birthday 2. we had to repair our TV set -
崔翔安15041223137 ______ A new doll was promised to Mary for her birthday Our TV set had to be repaired