2
2015-07-09 10:37
463
6
3 8 + 8 8
2 5 8 8
1 8+ 8 8
6 7×
⒈
⒉
1,2,3,4,5,6,7,8 Α Β C D) (E) (F) (G) (H) 1— 3 1,Ng1—f 3
—
+
++
×
!
!!
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=
±
+-
BC B2C3 B2:C3
~
DF3 GF
⒈
⒉ ① ②
⒊
⒈
⒉
⒊ 128
⒋
⒌
⒍
⒎
⒏
⒐
⒑ 40
⒒
⒓ 2 1
1989 9
⒈
⒉
⒊
⒋
⒌