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แบบทดสอบเตรียมสู่อุดมศึกษา

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