本帖最後由 shiroikoala 於 2011-12-6 08:44 PM 編輯 tvb now,tvbnow,bttvb5 E: |3 O6 A. C( s
\8 z. s6 Y$ N f7 E& S; ]3 m公仔箱論壇I once think it should be 1, but then I've changed my mind to 9 bcoz:
) x2 ?1 ^8 s9 Z公仔箱論壇( J" T e9 t6 T+ ~5 o) K
6÷2(1+2) = ? implies:
1 N. A8 l! x+ M' d, B3 s" e5.39.217.76- i4 o' z2 M9 Q; u, d
6÷2 x 3=? implies2 @2 Z) Z: [' H5 t# f
7 G9 S! O8 P: e
3 x 3 = ? implies
9 K5 N- s& m% btvb now,tvbnow,bttvbtvb now,tvbnow,bttvb6 r! y3 l: f9 \& G# a
= 9
$ ^1 O+ q/ b/ K k* Q7 ?公仔箱論壇
* i- F0 p" g0 u7 s; I3 S. U% b9 x5.39.217.76If the question is written as 6÷[2(1+2)] , then the answer would be 1 |