1
2013-07-16 23:06
567
0
⒈
⒉
⒊
1
2013.3.3
⒈
⑴ 72 36 180
⑵
⑶
⑷
⑸
⒉
⑴ 72 44 85
⑵
⑶
44
85
72
28
113
⑴
⑵
⑴
⑵ 45 +8-23 , 35+24-12, 24-8+10,
⑶
⑴
⑵
⑴ 56-25+17 , 56+25-17
⑵
⑴
⑵
⑶