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受欢迎的 Word Problems >

a number, times four minus nine, is one

解答

a n u mb er, t im es f o u r min u s nin e, i s o n e

解答

The number : 2 \frac{1}{2}

求解步骤

Represent the number with

x

A.T.Q.:

x \cdot 4 - 9 = 1

求解

x, x \cdot 4 - 9 = 1 : x = \frac{5}{2}

将假分式转换为带分数:

\frac{5}{2} = 2 \frac{1}{2}

The number : 2 \frac{1}{2}

流行的例子

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