本帖最後由 shiroikoala 於 2011-12-6 08:44 PM 編輯 5.39.217.77:8898' ]' H5 z6 ~4 {; ]- I) R' b
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I once think it should be 1, but then I've changed my mind to 9 bcoz:
5 E1 F' j2 Q, j5 E7 @( j/ Z公仔箱論壇公仔箱論壇; F& L3 i) b; A) U# S. N; V7 Y0 V
6÷2(1+2) = ? implies:
" _. L3 o0 f; C8 h, G6 y; X
) | |5 V+ w# j2 O4 S: {7 d5.39.217.77:88986÷2 x 3=? implies
7 n3 Q( r8 X/ o# F7 t8 Z
; q' d5 o1 K4 U( A0 v$ c0 Q公仔箱論壇3 x 3 = ? implies. _2 O% B& J% D
5.39.217.77:8898' b0 q1 r! x7 \/ R- K2 c
= 95.39.217.77:8898$ m' `) g `' i7 E, \8 {9 H
5.39.217.77:88983 L7 |) d. [9 N3 L3 Q3 l* D7 i7 F
If the question is written as 6÷[2(1+2)] , then the answer would be 1 |