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แบบทดสอบเตรียมสู่อุดมศึกษา

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