帮我解答一个英语应用题,谢谢~~Several years ago,I planted a 7-foot tree in my yard.The tree has grown 3 feet each year,and last year it was four times the original height.How tall is the tree now,and how long ago did I plant it?最好把
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![帮我解答一个英语应用题,谢谢~~Several years ago,I planted a 7-foot tree in my yard.The tree has grown 3 feet each year,and last year it was four times the original height.How tall is the tree now,and how long ago did I plant it?最好把](/uploads/image/z/11599662-30-2.jpg?t=%E5%B8%AE%E6%88%91%E8%A7%A3%E7%AD%94%E4%B8%80%E4%B8%AA%E8%8B%B1%E8%AF%AD%E5%BA%94%E7%94%A8%E9%A2%98%2C%E8%B0%A2%E8%B0%A2%7E%7ESeveral+years+ago%2CI+planted+a+7-foot+tree+in+my+yard.The+tree+has+grown+3+feet+each+year%2Cand+last+year+it+was+four+times+the+original+height.How+tall+is+the+tree+now%2Cand+how+long+ago+did+I+plant+it%3F%E6%9C%80%E5%A5%BD%E6%8A%8A)
帮我解答一个英语应用题,谢谢~~Several years ago,I planted a 7-foot tree in my yard.The tree has grown 3 feet each year,and last year it was four times the original height.How tall is the tree now,and how long ago did I plant it?最好把
帮我解答一个英语应用题,谢谢~~
Several years ago,I planted a 7-foot tree in my yard.The tree has grown 3 feet each year,and last year it was four times the original height.How tall is the tree now,and how long ago did I plant it?
最好把这到题的答案、中文意思写出来~
(是绝对鄙视,杜绝用翻译器的人的!)
帮我解答一个英语应用题,谢谢~~Several years ago,I planted a 7-foot tree in my yard.The tree has grown 3 feet each year,and last year it was four times the original height.How tall is the tree now,and how long ago did I plant it?最好把
几年前,我在院子里种了一棵7英尺的树.这棵树每年长3英尺,去年,它是原先的4倍高了.问:现在它多高了?我种了它多久了?
设种了x年
7+3(x-1)=28
x=8
7+3*8=31(英尺)
答:现在31英尺,种了8年.