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建立百分比比例
Author:
Cloud Money
,
GeoGebra Content Team
在这个活动中，我们将利用双数线来演示百分比、部分和整体。
GeoGebra
综合能力提高
自己或与别人一起回答这些开放式问题，以形成更深层次的数学联系。
乔想要找到90的40%。他应该如何建立比例？
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按要求编写比例方程:
% of
is
.
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