December 2018 1 9 Report
Selesaikan operasi aljabar dengan mengurangkannya ! a.3x²+3y²-3xy-4 dari 2x²-2y²+2xy+10 c.5a²-5b+c-6 dari 4a²+2b-3c +2<br /> d.3a +3b -4c dari 2a +5b+3c

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