Hitunglah. 1. (9) + (5) 2. (-5) + (-7) 3. (+8) + (-3) 4. (-25) + (16)
Hitunglah.
1. (9) + (5)
2. (-5) + (-7)
3. (+8) + (-3)
4. (-25) + (16)
5. (-21) + (21)
6. 0 + (-37)
Pembahasan:
1. (9) + (5) = 9 + 5 = 14
2. (-5) + (-7) = -5 – 7 = -12
3. (+8) + (-3) = 8 – 3 = 5
4. (-25) + (16) = -25 + 16 = -9
5. (-21) + (21) = -21 + 21 = 0
6. 0 + (-37) = 0 – 37 = -37
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