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求比一个数多百分之几的数是多少

求比一个数多百分之几的数是多少. 学校图书室原有图书 1400 册，今年图书册数增加了 12% 。现在图书室有多少册图书？. 方法一： 1400 ×12%=168 （册） 1400+168=1568 （册）. 方法二： 1400 × （ 1+12% ） =1400×112% =1568 （册）. 答：现在图书室有 1568 册图书。.

emmanuel-ramos
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求比一个数多百分之几的数是多少

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  1. 求比一个数多百分之几的数是多少

  2. 学校图书室原有图书1400册，今年图书册数增加了12%。现在图书室有多少册图书？学校图书室原有图书1400册，今年图书册数增加了12%。现在图书室有多少册图书？ 方法一： 1400×12%=168（册） 1400+168=1568（册） 方法二： 1400×（1+12%） =1400×112% =1568（册） 答：现在图书室有1568册图书。

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