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แบบทดสอบเตรียมสู่อุดมศึกษา

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