November 2018 1 48 Report
Sebuah kotak berisi 25 batang besi dan beberala batang tembaga.berat setiap batng berisi 5,3kg dan berat setiap batng tembaga 8,7kg.jika beart logam dalam kotak 332,6kg,banyam batang tembaga ada........A.21. ...B.23......C.25.......D.27....PAKAI CARA NYA!

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