[其他] boolean algebra

看板Math作者 (挑戰在我就在)時間15年前 (2011/03/15 22:05), 編輯推噓0(0推 0噓 4→)
留言4則, 2人參與, 最新討論串1/1
(x+y)(x'+z)(y+z)=(x+y)(x'+z) 請問這個式子為什麼會成立 除了畫truth table還有其他方法嗎? -- ※ 發信站: 批踢踢實業坊(ptt.cc) ◆ From: 114.38.110.122
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03/16 01:02, , 1F
(x+y)(x'+z)(y+z) = (x+y)(x'+z)y + (x+y)(x'+z)z
03/16 01:02, 1F
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03/16 01:03, , 2F
= (x+y)y(x'+z) + (x+y)(x'+z)
03/16 01:03, 2F
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03/16 01:03, , 3F
= (x+y)(x'+z) + (x+y)(x'+z) = (x+y)(x'+z)
03/16 01:03, 3F
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03/16 01:08, , 4F
看不懂@@
03/16 01:08, 4F
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