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Beginning in January of last year, Carl made deposits of $120 into his account on the 15th of each month for several consecutive months and then made withdrawals of $50 from the account on the 15th of each of the remaining months of last year. There were no other transactions in the account last year. If the closing balance of Carl’s account for May of last year was $2600, what was the range of the monthly closing balance of Carl’s account last year?
(1) Last year the closing balance of Carl’s account for April was less than $2625
(2) Last year the closing balance of Carl’s account for June was less than $2675

答案是：C
我我读晕了。。请Crsytal大人帮我讲讲。。
PS:大人我有一个毛病就是一读特别长的数学题就容易晕。。
您看我应该怎样提高读题的能力。。？？还是用prep的题练习么？？？
谢谢大人~

紫苏0709 曾经说:
Beginning in January of last year, Carl made deposits of $120 into his account on the 15th of each month for several consecutive months and then made withdrawals of $50 from the account on the 15th of each of the remaining months of last year. There were no other transactions in the account last year. If the closing balance of Carl’s account for May of last year was $2600, what was the range of the monthly closing balance of Carl’s account last year?
(1) Last year the closing balance of Carl’s account for April was less than $2625
(2) Last year the closing balance of Carl’s account for June was less than $2675

答案是：C
我我读晕了。。请Crsytal大人帮我讲讲。。
PS:大人我有一个毛病就是一读特别长的数学题就容易晕。。
您看我应该怎样提高读题的能力。。？？还是用prep的题练习么？？？
谢谢大人~
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大人我看懂您的解答了~~~谢谢~~~~非常细致~~~~
不过还有一点疑惑是这道题在og12上面给的答案是C。。
大人是不是og的答案给错了。。。？？反正我看那上面的解释看不太懂。。呵呵。。

紫苏0709 曾经说:
大人我看懂您的解答了~~~谢谢~~~~非常细致~~~~
不过还有一点疑惑是这道题在og12上面给的答案是C。。
大人是不是og的答案给错了。。。？？反正我看那上面的解释看不太懂。。呵呵。。

确实选C，我前面做的时候做的时候粗心，以为求的是年末的账户余额，其实求的是极差。抱歉。我重新修订前面的解答了，你再看看。

另外OG12的所有数学题答案都是没有问题的。

不会吧，这么详细的解析，佩服肺腑，永远支持斑竹

嘿嘿。。。谢谢Crystal大人~~~~~

这两天没在家没有上网不好意思大人~~~万分感谢~~~~

紫苏0709 曾经说:
嘿嘿。。。谢谢Crystal大人~~~~~

这两天没在家没有上网不好意思大人~~~万分感谢~~~~

没关系 加油加油！

嘿嘿谢谢大人~~~~~

讲的真的很清楚，谢谢了：）