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歡迎您訪問數(shù)學(xué)考題練習(xí):已知,則的值為!

數(shù)學(xué)考題練習(xí):已知,則的值為

更新時(shí)間:2024-01-12 16:28:52作者:貝語(yǔ)網(wǎng)校

已知,則的值為

A.

B.

C.

D.

試題答案

B

試題解析

可設(shè)a為3k,b為4k,代入計(jì)算即可.

解答:設(shè)a為3k,則b為4k,

∴==.

故選B.

點(diǎn)評(píng):考查比例性質(zhì);設(shè)其中一個(gè)數(shù)與比相關(guān)是解決本題的突破點(diǎn).

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