Jawab:
Penjelasan dengan langkah-langkah:
1. 8+(-9)= 8-9= -1
2. 10-(-7)= 10+7=17
3. -11-20=-11+(-20)= -33
4. -8× -9=8×9=72
5. 25+ (-12)= 25-12= 13
sampai lima aja
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Jawab:
Penjelasan dengan langkah-langkah:
1. 8+(-9)= 8-9= -1
2. 10-(-7)= 10+7=17
3. -11-20=-11+(-20)= -33
4. -8× -9=8×9=72
5. 25+ (-12)= 25-12= 13
sampai lima aja