Jawabanmu

2014-05-11T20:54:31+07:00
2 x 10x9 + 2 x 10 x t + 2 x 9 x t
484 = 180 + 20t + 18t
484 - 180 = 38t
304 = 38t
t = 304/38
t = 8
 tolong dijadiin jawaban terbaikyah!!!!!!!!!!!!!!!!!!!!!!!!!!


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