October 2018 1 107 Report
Sebuah balok memiliki ukuran panjang (2a+3) cm, lebar 4a dan tinggi (2a-2) cm. Luas permukaan balok seluruhnya adalah.. a. (40a kuadrat + 12a -12) cm b. (20a kuadrat - 6a - 6) cm c. (40a kuadrat - 12) cm d. (20a kuadrat - 6) cm... tolong bantu yaa

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