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测试问题
Author:
张中强
,
Tim Brzezinski
GeoGebra
1+1=?
一加一等于几?
Select all that apply
A
能
B
不能
Check my answer (3)
New Resources
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四邊形的特性
兩組對邊相等的四邊形
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算幾不等式
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∠APB ≥ 30°
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