แบบฝึกหัดคณิต ม.3 ตอน 6 พร้อมเฉลย
Name: ________________________________
1. (18-x)<620
2. (484-x)>=185
3. (141-x)<470
4. (12-x)<508
5. (37-x)<=428
6. (37-x)<=419
7. (138-x)>443
8. (617-x)<=303
9. (474-x)<=435
10. (89-x)>502
11. (543-x)>=67
12. (568-x)>31
13. (591-x)<280
14. (614-x)<=223
15. (28-x)<634
16. (196-x)>=137
17. (520-x)>9
18. (530-x)>=255
19. (493-x)>=236
20. (609-x)>94
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Answer Sheet
1. x>-602
2. x<=299
3. x>-329
4. x>-496
5. x>=-391
6. x>=-382
7. x<-305
8. x>=314
9. x>=39
10. x<-413
11. x<=476
12. x<537
13. x>311
14. x>=391
15. x>-606
16. x<=59
17. x<511
18. x<=275
19. x<=257
20. x<515