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แบบทดสอบเตรียมสู่อุดมศึกษา

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