howardc888

Answer is C.  Many people already explained it.  :)

susu_nel

D应该先答对。D可以看见B,C是什么颜色，他就会有1/2机会答对

我是步惊云

interesting questions

kammandang

1# wasimasterQ
+ _# t: F# t% v9 a5 G7 q) X% S* eTVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。公仔箱論壇+ F% A) q( v5 ]
is it b??

roymak82

thanks

iii222

I think is C.tvboxnow.com" ]3 w" i+ ], @/ n2 a9 Q

+ w0 L1 E; E( itvboxnow.comSince A & B will have no way to know, and D did not know the answer.
: a3 p/ O% m1 D; L! J2 Utvboxnow.comtvb now,tvbnow,bttvb/ m' _/ g- G; \! B0 S
This is a tough question for grade 1.  tvboxnow.com- |1 D# L% s5 c5 k7 z
公仔箱論壇; j7 t2 v: k0 \& T- g% Q
I most likely cannot answer it within 5 minutes when I was that young.公仔箱論壇2 o3 }( f# z; E
5 I6 ?# S) x' X- ^' {5 D' M
Wow, really enjoy this question.  Thank you for sharing.

mirrorabc

Thanks for sharing

GN2160659

thanks for sharing

greenland

answer pls...

wa929

thanks for good question

edwin_8888

thank for sharing

24456430

看不到图片，做不了题目

shijin

總覺得這類型的題目 都是在考驗"邏輯思考" ^_^
8 k7 K6 V3 C. X, R2 b
" G2 ]* y0 y# ^" ?$ D' E: T0 x偵探型的數學題目 ^^

man0223

thanks for sharing

oftenpie

看不太懂規則