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แบบทดสอบเตรียมสู่อุดมศึกษา

1. (200/4)+[100-(-50)]=?
2. 75-(-25)=?
3. (31-11)+26=?
4. [67+(-7)]*(-5)=?
5. 99*(-10)=?
6. [(-15)+(-15)*20]+(70/10)=?
7. (21*7)+[(-2)*(-10)]=?
8. (-16)+4+(-20)=?
9. [(18/2)+(-4)]*20=?
10. [(100/25)*5]+(-13)=?
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