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แบบทดสอบเตรียมสู่อุดมศึกษา

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