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受欢迎的 Word Problems >

The product of two less than a number and seven is thirteen.

解答

T h e p ro d u c t o f tw o l ess t han a n u mb er an d se v e n i s t hi r t ee n .

解答

The number : 3 \frac{6}{7}

求解步骤

Represent the number with

x

A.T.Q.:

(x - 2) \cdot 7 = 13

求解

x, (x - 2) \cdot 7 = 13 : x = \frac{27}{7}

将假分式转换为带分数:

\frac{27}{7} = 3 \frac{6}{7}

The number : 3 \frac{6}{7}

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