September 2018 1 16 Report
Tolong tentukan hasilnya ya:
1. (15i+14b+13k)+(-30i-45j+51k)=...
2. (3-17x+35z)+(4x+23y-9)=...
3. (42n+35m+7)-(50m-20n+9)=...
4. (5x+3)-(x-1)=...
tolong dijawab ya Makasih sebelumnya..:-)

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