文档介绍：35X6. 47X2+
21. 5/7 X 3/25 + 3/7
55- (6. 82 + 15. 55)
34. 52-17. 87-12. 23
43- (-0. 57)
75--
83--7. 83-
38+88. 2-2. 38+
27. 38-5. 34+2. 62-4. 66
- (+9. 63)
-++
+0. 99+
5. 09 - (0. 09+)
9. 36- (4. 36-3. 5)
609-708+306-108+202-198+497-100
14+15+16+ +45+46
9999+9998+9997+9996
99999X26+33333X22
19175^-59+678
--
-3. 79+-
125X (8+0. 8+0. 08)
35 4- [78 - (25 +38 )〕
+150 +3. 98
7-3. 375-6. 625
5X4. 4
(3. 75+4. 1+2. 35)
+9. 8+7. 72+
12 X1120 +12 X2049
3/7 X 49/9 - 4/3
8/9 X 15/36 + 1/27
12X 5/6 - 2/9 X3
8X 5/4 + 1/4
64- 3/8 - 3/8 4-6
4/7 X 5/9 + 3/7 X 5/9
5/2 - ( 3/2 + 4/5 )
7/8 + ( 1/8 + 1/9 )
9 X 5/6 + 5/6
3/4 X 8/9 - 1/3
7 X 5/49 + 3/14
6 X ( 1/2 + 2/3 )
8X4/5 + 8X11/5
31 X 5/6 - 5/6
5/9 X 18 - 14 X 2/7
4/5 X 25/16 + 2/3 X 3/4
14 X 8/7 - 5/6 X 12/15
1/5 X 2/3 + 5/6
9/22 + 1/11 4- 1/2
5/3 X 11/5 + 4/3
45 X 2/3 + 1/3 X 15
7/19 + 12/19 X 5/6
1/4 + 3/4 4- 2/3
8/7 X 21/16 + 1/2
101 X 1/5 - 1/5 X 21
+ 1604-40
120-1444-18+35
347+45X2-41604-52
34 (58+37) 4- (64-9X5)
(64-45)
85+14X (14+2084-26)
(284+16) X (512-8208^-18)
120-36X44-18+35
(58+37) 4- (64-9X5)
(6. 8-6. 8X0. 55) 4-
0. 12X -0.
(3. +2. 5) 4-
6--4
-0. 8-
32. 52- (6+9. 7284-)
(375+