Hitunglah.
1. (-8) × (+2)
2. -2 + 6 - (-5) + 7
3. 3 - (+6) - (-9)
4. 6+ (-4)
5. -9 + (-2)
1. (-8) × (+2)
2. -2 + 6 - (-5) + 7
3. 3 - (+6) - (-9)
4. 6+ (-4)
5. -9 + (-2)
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JAWABAN :
1. (-8) × (+2)
= -8 × 2
= -16
2. -2 + 6 - (-5) + 7
= -2 + 11 + 7
= 9 + 7
= 16
3. 3 - (+6) - (-9)
= 3 - 6 + 9
= -3 + 9
= 6
4. 6 + (-4)
= 6 - 4
= 2
5. -9 + (-2)
= -(9 + 2)
= -11