i3mxpe作者7 月 13 日@小鹿斑比 ∵ 2^19 ≈ 3^12⇨ 2 ≈ 3^12 / 2 ^18 = (9/8)^6得'➊ ∛2 ≈ (9/8)^2 = 81/64➋ √2 ≈ (9/8)^3 = 729/512
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數學的回憶...湧上....
@小鹿斑比
∵ 2^19 ≈ 3^12
⇨ 2 ≈ 3^12 / 2 ^18 = (9/8)^6
得'
➊ ∛2 ≈ (9/8)^2 = 81/64
➋ √2 ≈ (9/8)^3 = 729/512
@i3mxpe 不!!!!!