\[ (27a + 9b + 3c + d) - (8a + 4b + 2c + d) = 40 - 15 \] - AMAZONAWS 📅 March 11, 2026 👤 scraface Mar 11, 2026
![\[ (27a + 9b + 3c + d) - (8a + 4b + 2c + d) = 40 - 15 \]](https://soloferat.biz.id/images/-27a--9b--3c--d---8a--4b--2c--d--40---15-.jpg)
