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受欢迎的 Word Problems >

the sum of a number and three less than the number is sixteen

解答

t h e s u m o f a n u mb er an d t h ree l ess t han t h e n u mb er i s s i x t ee n

解答

The number : 9 \frac{1}{2}

求解步骤

Represent the number with

x

A.T.Q.:

x + x - 3 = 16

求解

x, x + x - 3 = 16 : x = \frac{19}{2}

将假分式转换为带分数:

\frac{19}{2} = 9 \frac{1}{2}

The number : 9 \frac{1}{2}

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