一个小立方块的六面分别标有字母a,b,c,d,e,f,如图是从三个不同方向看到的情形，你能说出abe对面分别是什么

一个小立方块的六面分别标有字母A,B,C,D,E,F,如图是从三个不同方向看到的情形,则A,B,E的对面分别是( )~

16、选C。靠空间想象。
从①可以看到，C旁边是D。从②看，A和D也相邻，所以③中B的对面是D。
从②③看到，A的对面不是BCDE，只能是F。
3、选C。
任何棱柱，他的侧棱数=底面的边数。
所以，用18÷3=6，即可。

分析A 看1，3图 与A相邻是DE,与BF所以剩下是C 当然是AC相对
分析B 看2，3图 与B相邻是CE,与AF所以剩下是D 当然是BD相对
分析E 看1，2图 与E相邻是DA与BC所以剩下是F当然是EF相对

希望对你有所帮助 还望采纳~~~

分析A 看1，3图 与A相邻是DE,与BF所以剩下是C 当然是AC相对
分析B 看2，3图 与B相邻是CE,与AF所以剩下是D 当然是BD相对
分析E 看1，2图 与E相邻是DA与BC所以剩下是F当然是EF相对

A不能对DE、不能对BF 所以A对C
B不能对CE、不能对AF 所以B对D
剩下的是E对F

弄块橡皮，写上看着的，最直观啦~~偶以前就这样干过！

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邯山区13339601368： 一个小立方块的六个面分别标有字母A,B,C,D,E,F,从三个不同的方向看到的情形如图所示,则字母C的对面是() - ？
堵胞口炎：[选项] A. 字母A B. 字母B C. 字母D D. 字母F

邯山区13339601368： 一个小立方块的六面分别标有字母A,B,C,D,E,F,从三个方向看到的不同情形,你能说出A,B,E,对面分别是什么字母?你是怎么判断的?？
堵胞口炎： A对C b对D E对F 判断:图一可得出A对的不是E,D 图三可得出A相对的也不是B,F 所以A对c.B,E是同理

邯山区13339601368： 一个小立方块的六面分别标有字母a,b,c,d,e,f,如图是从三个不同方向看到的情形,你能说出abe对面分别是什么 - ？
堵胞口炎： 分析A 看1,3图 与A相邻是DE,与BF所以剩下是C 当然是AC相对 分析B 看2,3图 与B相邻是CE,与AF所以剩下是D 当然是BD相对 分析E 看1,2图 与E相邻是DA与BC所以剩下是F当然是EF相对

邯山区13339601368： 一个小立方块的六个面分别标有字母A,B ,C ,D ,E ,F,从三个不同方向 看到的情形如图所示. - ？
堵胞口炎： A与DEBF相邻,说明A对面是C B与CEAF相邻,说明B对面是D E对面是F

邯山区13339601368： 如图,一个立方体的六个面上分别标有字母A、B、C、D、E、F,右图是此立方体的两种不同放置,则与D面相对 - ？
堵胞口炎： 根据二个图形的字母,可推断出来,A对面是F;B对面是D;C对面是E;则与D面相对的面上的字母是 B. 故答案为:B.

邯山区13339601368： 一个小立方体的六个面分别标有字母A,B,C,D,E,F,A,B,E对面分别是什么字母吗?你是怎么判断 - ？
堵胞口炎： A对应F,则B对应D,E对应C A对应B,则B对应A,E对应C\D\F …… 很多种情况的

邯山区13339601368： 一个小立方体的六个面分别标有字母A,B,C,D,E,F,A,B,E对面分别是什么字母 - ？
堵胞口炎： A对C,B对D,E对F

邯山区13339601368： 一个正方体六个面分别标有字母A、B、C、D、E、F,其展开如图所示,已知:A=x2 - 2xy、B=A - C,C=3xy+y2,若该正方体相对两个面上的多项式的和相等,... - ？
堵胞口炎：[答案] 由图形可知A与C是相对,B与D是相对,E与F是相对. ∴B+D=A+C, 又∵A=x2-2xy、B=A-C,C=3xy+y2, 则D=A+C-B =A+C-(A-C) =2C =2(3xy+y2) =6xy+2y2; 当x=-1,y=-2时,6xy+2y2=12+8=20. 故当x=-1,y=-2时,多项式D的值是20.

邯山区13339601368： 一个立方体的六个面上分别标有A,B,C,D,E,F如图所示是从三个不同方向看到的情形.请分别说出A,B,E的面相对面上分别是什么字母. - ？
堵胞口炎：[答案] 由图可知,A相邻的字母有D、E、B、F, 所以,A对面的字母是C, 与B相邻的字母有C、E、A、F, 所以,B对面的字母是D, 所以,E对面的字母是F.

邯山区13339601368： 一个小立方块的六个面别标有字母ABCDEF从来不同方向看到的情刑如图所示,你能说出A,B,E,对面分A对C B对D E对F是不是这样? - ？
堵胞口炎：[答案] 分析A 看1,3图 与A相邻是DE,与BF所以剩下是C 当然是AC相对 分析B 看2,3图 与B相邻是CE,与AF所以剩下是D 当然是BD相对 分析E 看1,2图 与E相邻是DA与BC所以剩下是F当然是EF相对