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成比例数值
通过对齐数字排列来发现成比例数值模式。如果你给出错误答案,点会从数线上弹开。
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。
拉伸上方的数字线,看看点落在哪里。 上方数字线的所有表达式有什么共同点?这些表达方式有何不同?
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描述一下你是如何决定让分数落在哪里,让它们填满圆圈的。
Font size
Font size
Very small
Small
Normal
Big
Very big
Bold
[ctrl+b]
Italic
[ctrl+i]
Underline
[ctrl+u]
Strike
Superscript
Subscript
Font color
Auto
Justify
Align left
Align right
Align center
• Unordered list
1. Ordered list
Link
[ctrl+shift+2]
Quote
[ctrl+shift+3]
[code]
Code
[ctrl+shift+4]
Insert table
Remove Format
Insert image
[ctrl+shift+1]
Insert icons of GeoGebra tools
[bbcode]
Text tools
Insert Math
当点填充圆时,上方数字线的表达式与下方数字线的数量如何相关?
Font size
Font size
Very small
Small
Normal
Big
Very big
Bold
[ctrl+b]
Italic
[ctrl+i]
Underline
[ctrl+u]
Strike
Superscript
Subscript
Font color
Auto
Justify
Align left
Align right
Align center
• Unordered list
1. Ordered list
Link
[ctrl+shift+2]
Quote
[ctrl+shift+3]
[code]
Code
[ctrl+shift+4]
Insert table
Remove Format
Insert image
[ctrl+shift+1]
Insert icons of GeoGebra tools
[bbcode]
Text tools
Insert Math
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Information: 成比例数值