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[Problem Solving]
试题详情
题目：
When a certain tree was first planted, it was 4 feet tall, and the height of the tree increased by a constant amount each year for the next 6 years. At the end of the 6th year, the tree was 
taller than it was at the end of the 4th year. By how many feet did the height of the tree increase each year?
taller than it was at the end of the 4th year. By how many feet did the height of the tree increase each year?选项:
A、
B、
C、
D、
E、
答案:
D
提问：
不会做
解答：
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阅读979
提问：
不会做
解答：
点赞0
阅读980
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