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Hitunglah. 1. (+5) + (-18) + (-5) 2. (-9) – (-8) + (-4) 3. 2 – 7 4. -4 – 5

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Hitunglah.

1.     (+5) + (-18) + (-5)

2.     (-9) – (-8) + (-4)

3.      2 – 7

4.     -4 – 5

5.     -2 + 10 – 5

6.     3 – 7 – 4 + 8

7.     16 – (+17) – 13

8.     (-3) + 6 + (-7) – (-9)

Pembahasan:

1.     (+5) + (-18) + (-5) = 5 – 18 – 5 = -18

2.     (-9) – (-8) + (-4) = -9 + 8 – 4 = -5

3.      2 – 7 = -5

4.     -4 – 5 = -9

5.     -2 + 10 – 5 = 3

6.     3 – 7 – 4 + 8 = 0

7.     16 – (+17) – 13 = 16 – 17 – 13 = -14

8.     (-3) + 6 + (-7) – (-9) = -3 + 6 – 7 + 9 = 5

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