Diketahui sistem persamaan: 1/a + 1/b + 3/c = 9 3/a + 1/b +
Saluran Edukasion 2024-03-07T19:52:00
Diketahui sistem persamaan: 1/a + 1/b + 3/c = 9 3/a + 1/b + 1/c = 7 1/a + 3/b + 1/c = 7/3 Nilai a + b + c = ... A. -21/40 B. -20/40 C. -19/40 D. -18/40 E. -17/40
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