3 75 xy 2 4 4 5 July 8, 2019 16 32 64 128 3 75 xy chia 2 4 4 5 3 ^ x * 5 ^ y = 75 3^ y *5^ x =45 75 – 3.5y – 4y = 4y + 6 (75 ≠ 2x + 3y) ∨ (a 3x) ∨ (a 2y)
