Baiklah untuk soal selanjut nya…
Pengurangan
1. (+8) – (+4)
2. (+3) – (+9)
3. (+5) – (-2)
4. 0 – (-13)
5. (-7) – (+2)
6. (-9) – (-1)
7. (-2) – (-15)
8. (-1,9) – (+1,4)
9. (+1/6) – (-1/2)
10. (-2/7) – (+5/14)
Pembahasan:
1. (+8) – (+4) = 8 – 4 = 4
2. (+3) – (+9) = 3 – 9 = -6
3. (+5) – (-2) = 5 + 2 = 7
4. 0 – (-13) = 0 + 13 = 13
5. (-7) – (+2) = -7 – 2 = -9
6. (-9) – (-1) = -9 + 1 = -8
7. (-2) – (-15) = -2 + 15 = 13
8. (-1,9) – (+1,4) = -1,9 – 1,4 = – 3,3
9. (+1/6) – (-1/2) = 1/6 + 3/6 = 4/6 = 2/3
10. (-2/7) – (+5/14) = –4/14 – 5/14 = –9/14
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