用了半天，白屏，不显示数字了……！！！！！！！！！！！
如题
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Description
随时随地训练估算能力。
功能描述：
- 加减乘除的运算题，可设置1-4位数难度。
- 提交答案后显示“正确答案”、“误差率”、“运算所用时间”。
- 记录“答题次数”、“平均误差率”、“平均运算时间”（选中记录即可删除）。
功能描述：
- 加减乘除的运算题，可设置1-4位数难度。
- 提交答案后显示“正确答案”、“误差率”、“运算所用时间”。
- 记录“答题次数”、“平均误差率”、“平均运算时间”（选中记录即可删除）。
Screenshots
估算练习 FAQ
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Is 估算练习 free?
Yes, 估算练习 is completely free and it doesn't have any in-app purchases or subscriptions.
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Is 估算练习 legit?
Not enough reviews to make a reliable assessment. The app needs more user feedback.
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How much does 估算练习 cost?
估算练习 is free.
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User Rating
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App Info
- Category
- Education
- Publisher
-
浩岚 林
- Languages
- English
- Recent release
- 2.0.1 (5 years ago )
- Released on
- Oct 6, 2019 (5 years ago )
- Also available in
- China , Austria , Vietnam , United States , Ukraine , Saudi Arabia , Mexico , India , United Kingdom , France , Ecuador , Switzerland , Belarus , Australia , United Arab Emirates , Czechia , South Korea , Malaysia , Norway , New Zealand , Philippines , Pakistan , Portugal , Russia , Belgium
- Last Updated
- 1 month ago
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