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
2 f  V) c/ A' y2 h/ x
- F/ c; a' P: q4 h8 {& Z0 Nis it b??

roymak82

thanks

iii222

I think is C.
( E2 P0 ~" I8 F  ^* v4 s9 L/ w% l& ]5.39.217.76tvb now,tvbnow,bttvb. ~8 y' b3 z) y# _* X- B2 P/ J) P9 }
Since A & B will have no way to know, and D did not know the answer.
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# N4 t1 W5 r- L, r9 e- _This is a tough question for grade 1.  
' W; F/ ]3 @6 Z$ v1 q) K+ v2 r  [5.39.217.76
/ R/ ?3 M% \" I. l6 f; NI most likely cannot answer it within 5 minutes when I was that young.( q! I6 G& i7 X1 E; B

! w* p! }+ R3 L5 H! d8 zWow, 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" ^_^
7 v! |7 e7 t# v, M/ m: h# c5.39.217.76; }, E, h# [  G" Y1 G6 M# \% J
偵探型的數學題目 ^^

man0223

thanks for sharing

oftenpie

看不太懂規則