ใบงานที่ 2 เรื่อง การบวก ลบ จำนวนเต็ม ม.1

ใบงานที่ 2 เรือ่ ง การบวก - ลบ จำนวนเต็ม

ช่ือ-สกุล.....................................................................................เลขท.ี่ ..................ช้ัน.......................
จงหาคำตอบ

1. -8 + (-6) + 2 – (-1) = _____________________________________________
2. 9 + (-2) + 8 – (-4) = _____________________________________________
3. 2 + (-2) + 8 – 9 = _____________________________________________
4. 12 – (-4) + (-5) + 2 = _____________________________________________
5. 25 – (-8) + 2 – (-7) = _____________________________________________
6. 4 + (-9) – (-5) + 7 + 2 = _____________________________________________
7. -9 + (-7) – (-9) + 4 = _____________________________________________
8. 3 + (-8) – 4 – (-7) + 2 = _____________________________________________
9. -5 + (-4) + (-4) + 2 – 3 = _____________________________________________
10. 6 + (-3) + 8 – (-2) + 8 = _____________________________________________
11. 4 + (-2) + (-9) + 4 -7 = _____________________________________________
12. (-51) - (-23)+ 32 = _____________________________________________
13. (-28) + (15 - 34) = _____________________________________________
14. 17 + [(-21) + 30] = _____________________________________________
15. (-65) - [(-72) + 59] = _____________________________________________
16. (-65) - [(-72) + 59] = _____________________________________________
17. |-30| - |43| + |-51| = _____________________________________________
18. (-6) + (-8) - (-11) = _____________________________________________
19. (-7 + 8) - (-9 + 6) = _____________________________________________
20. (-12 + 6) + (-15 - 8) = _____________________________________________

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