说
13209:0010:00
2
1 __________
2
__________
38 -1.21.5 +742 2.544梅2.4= __________
4123219000941014 __________
51
(1) 1010__________
(2) 2005______________
6 a * b2008*1004*1004*502=__________
7 12243648__________
8__________
9. AB10AB51024BAA________时________
101123__________
11542_______
12 __________
答案：
150.5
2
3