13 盆植物排成一排，间距相等。第一盆植物与第五盆植物之间的距离是 $1\frac{3}{4}$ 米。第二盆植物与第十二盆植物之间的距离是多少？

它不会直接告诉你答案，而是问你卡在哪一步看看 AI 是怎么陪你一步步弄懂这道题的

完整解法

1. Find the number of intervals between the 1st and 5th pot

Number of intervals between 1st and 5th pot $= 5 - 1 = 4$

2. Calculate the distance of one interval

Distance of 4 intervals $= 1\frac{3}{4} = \frac{7}{4}$ m
Distance of 1 interval $= \frac{7}{4} \div 4 = \frac{7}{16}$ m

3. Find the number of intervals between the 2nd and 12th pot

Number of intervals between 2nd and 12th pot $= 12 - 2 = 10$

4. Calculate the distance between the 2nd and 12th pot

Distance $= 10 \times \frac{7}{16} = \frac{70}{16} = \frac{35}{8} = 4\frac{3}{8}$ m

答案

$4\frac{3}{8}$ m

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