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GeoGebra Classroom

07-Adição de Frações

作者：Luis Claudio LA, Anthony OR 柯志明

Acknowledgement: Inspired by John Ulbright's applet "Adding Fractions - Visual" (https://ggbm.at/szwBQ7wa)

sdfdfsdfs

sfd fdsfsdf

勾選所有適當的選項

A
ewfdsf
B
fdggdfg
C
dfgfg
D
dgfgd

核對我的答案 (3)

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