September 2018 2 24 Report
Tentukan hasil dari penjumlahan dan pengurangan bilangan berikut dan caranya!
1. -15+9-(-15)=.......
2. -9+12-(-10)=.......
3. -9-(8)+21=.......
4. 15+12-(-8)+(-7)=......
Tolong dijawab ya :-)
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