初一的一道题(有自己做的附图),有关于线段的一道题。
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∵ BF + EB = 2.5
又 ∵ BF = BC/2 EB = AC/2 - BC
∴ BF + EB = BC/2 + (AC/2 - BC ) = 2.5
化简 AC/2 - BC/2 = 2.5
即 AC - BC = 5
也就是 AB = 5
又 ∵ BF = BC/2 EB = AC/2 - BC
∴ BF + EB = BC/2 + (AC/2 - BC ) = 2.5
化简 AC/2 - BC/2 = 2.5
即 AC - BC = 5
也就是 AB = 5
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