1. F F ʾ 6
1 ʾ 2552
F 3
1 X ˈ F
1. F 6 F F F
. 361,681,659 . 316,546,556
. 816,613,576 . 163,864,169
2. 8 F F F F
. 12,804,680 . 34,852,812
. 123,845,820 . 364,852,821
3. 3 F F F 300,000
. 2,130,455 . 1,360,120
. 1,113,640 . 1,042,300
4. 2,564,300 F F
. 2,000,000 + 500,000 + 60,000 + 4,000 + 30
. 2,000,000 + 500,000 + 60,000 + 400 + 30
. 2,000,000 + 500,000 + 60,000 + 4,000 + 300
. 2,000,000 + 50,000 + 6,000 + 400 + 30
5. F F
. 1,265,433 < 1,265,422
. 2,670,367 > 2,760,637
. 1,299,466 < 1,299,446
. 3,102,372 > 3,012,382
6. 123,462,115 2 F F F
. 19,998,000 . 19,990,000
. 19,989,000 . 19,980,000
F 2552/1

2. 7. 182,457,163 F F F F F
. 99,999,999 . 99,999,990
. 99,999,900 . 99,999,000
8. 8 F F
. 10,463,821 . 21,682,020
. 18,362,500 . 46,558,000
9. F F
. 1,203,466 2,135,443 2,153,553 3,462,544
. 2,610,445 2,609,543 2,813,000 2,810,535
. 3,511,020 3,115,021 3,102,671 3,340,525
. 3,802,979 3,702,797 2,941,200 2,814,300
10. F F
. 765,433 F F F ˈ 765,430
. 1,820,511 F F ˈ 1,830,000
. 3,217,621 F F ˈ 3,200,000
. 2,452,621 F F F ˈ 3,000,000
11. 4,560,000 ˈ F F
. 4,554,010 . 4,565,400
. 4,568,500 . 4,563,121
12. F F 3,285,112 5,601,433 F F F
. 2,200,000 . 2,300,000
. 2,250,000 . 2,350,000
13. 150 F F 199 24
F F F
. 14,115 . 14,112
. 13,115 . 13,112
F 2552/1

3. 14. F F 375,900 F 495,650 F F F
F 1,199,900 F F
.
. ˈ
. F
. F
15. FF 50,550,000 25,750,000
F F
. 25,250,000 . 25,850,000
. 24,250,000 . 24,850,000
16. F 125 F 5,200 F F
. 39 . 40
. 41 . 42
17. 1,344 ÷ 48 = F F F ˆ F F
. ˆ ʾ 1,344 F F 48 F
. 48 1,344
. 1,344 48
. F 1,344 48 F
18. F F F F
2 6
. .
3 9
9 10
. .
12 15
19 F F F
F 2552/1

4. 20. F F F F F F
2 1
21. + = F F
3 7
4
22. 8 1
- F F F F
10 3 15
1 2
23. F 4 ×2 F
2 3
1 1
. 8 . 9
3 3
. 10 . 12
24. 41.17 + 17.35 =
. 58.42 . 58.52
. 59.42 . 59.52
F 2552/1

5. 25. 3.4 × 4.2 =
. 13.28 . 13.58
. 14.28 . 142.8
26. 114.5 + 32.07 =
. 36.57 . 146.57
. 156.47 . 157.57
27. 279.34 F F F
. 2 . 7
. 3 . 4
28. 47.625 42.188 F F F
. 5.437 . 5.337
. 4.337 . 3.337
3
29. 5 F ˈ F F
7
(7 × 3) + 7
.
3
(7 × 3) + 5
.
7
(5 × 3) + 7
.
7
(7 × 5) + 3
.
7
30. F F
. 0.1, 0.021, 0.0033, 0.0004
. o.11, 0.011, 0.1101, 0.1011
. 0.04, 0.4, 0.404, 0.4044
. 0.12, 0.0102, 0.2011, 0.2202
F 2552/1

6. _____________________________________________________ . _____ ______
2 F F F
1. ˈ 8,102,507
_________________________________________________________________
2. 4,602,974
_________________________________________________________________
3. F 53,623,445
_________________________________________________________________
4. F 435,675
_________________________________________________________________
7
5. 7 ˈ F F
9
_________________________________________________________________
5 3
6. +2 =
8 4
_________________________________________________________________
5 39
7. × =
13 65
_________________________________________________________________
8. 12.35 + 18.65 =
_________________________________________________________________
9. 1.23 × 0.5 =
_________________________________________________________________
10. 3,000 × 0.003 =
_________________________________________________________________
F 2552/1