小学六年级60道分数简算题（急！！！！！！！！！！！）

1. 2/5+3/2
2. 1998*(1998/1999)
3. 1/3+2/3+3/3+4/3+5/3
4. 12*12*12*1*0
5. 69/(23/98)
6. 18*(3/18)
7. 2*(2*2/4)
8. 1/36+2/36+3/26+4/36+5/36+…+35/36+36/36
9. 1/25+6/11+24/25+5/11
10. (9/8)*(7/8)*(9/8)*(8/7)
11.5/6×22/32+5/6×5/16
12.4/11×22/5×20/33×1/4
13.1/22×6/5+6/22+21/5
14.1997/1998×33
15.1901/1998×1999
16.1/3+2/3
17.1/3+2/3+1/2
18.18/45+16
19.11/12+123
20.12/13+147
21.14/45+159
22.13/76+357
23.46/49+123
24.13/49+123
25.12/48+18/17
26.19/38+1/2
27.18/36+16+1/2
28.33+1/2
29.22+1/2
30.11+1/2
31.33+2/3
32.11+11/12
33.11+4/8
34.11+4/6+4/6
35.22+4/8+9/3
36.22+22/44+22
37.2+3/6+8/9
38.11+8/9
40.11+7/8
41.22+7/9
42.44+7/8
43.55+4/6
44.44+5/9
45.55+4/9
46.77+7/8
47.88+8/9
48.88+8/9+11
49.99+4/6
50.99+1/3
51.99/1/3
52.99/1/3
53.