Penjumlahan bilangan bulat
1. 3 – 5 = ....
2. –8 – (–13) = ....
3. –9 – 4 = ....
4. –15 – (–7) = ....
5. 4 – 12 = ....
6. 13 + (–5) – (–8) = ....
7. –16 – (–4) = ....
8. –43 – 10 = ....
9. 13 – (–17) = ....
10. 10 – 30 = ....
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