ข้อสอบคณิตศาสตร์ ม.๒ (ตอน๓)พร้อมเฉลย
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1. (155x12)+116=x
2. (87x9)+223=x
3. (272x6)+6=x
4. (33x2)+20=x
5. (314x3)+252=x
6. (79?52)+241=x
7. (299?15)+206=x
8. (295?16)+193=x
9. (173?18)+134=x
10. (132?29)+75=x
11. (281?12)+190=x
12. (200?18)+171=x
13. (261?11)+74=x
14. (230?4)+306=x
15. (139?32)+306=x
16. (210?9)+209=x
17. (37?129)+243=x
18. (198?25)+138=x
19. (292?8)+197=x
20. (141?17)+69=x
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Answer Sheet
1. x=1976
2. x=1006
3. x=1638
4. x=86
5. x=1194
6. x=4349
7. x=4691
8. x=4913
9. x=3248
10. x=3903
11. x=3562
12. x=3771
13. x=2945
14. x=1226
15. x=4754
16. x=2099
17. x=5016
18. x=5088
19. x=2533
20. x=2466