Hitunglah. 1. (0,3) + (1,2) 2. (-0,7) + (0,5) 3. (1,4) + (-0,9)
Hitunglah.
1. (0,3) + (1,2)
2. (-0,7) + (0,5)
3. (1,4) + (-0,9)
4. (-3/5) + (-4/5)
5. (-1/2) + (-3/4)
6. (1/4) + (-5/6)
Pembahasan:
1. (0,3) + (1,2) = 0,3 + 1,2 = 1,5
2. (-0,7) + (0,5) = -0,7 + 0,5 = -0,2
3. (1,4) + (-0,9) = 1,4 – 0,9 = 0,5
4. (-3/5) + (-4/5) = -3/5 – 4/5 = -7/5
5. (-1/2) + (-3/4) = -2/4 – 3/4 = -5/4
6. (1/4) + (-5/6) = 3/12 – 10/12 = -7/12
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