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红鼻子小丑变出了
4个彩球,上面都有数字1
.将它们组成4位数,读一读,说一说,由几个千、几个百、几个十和几个一组成.![]()
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_________ 读:_________ |
_________ 读:_________ |
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______= □+□+□ |
______= |
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______________________ |
______________________ |
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______________________ |
______________________ |
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______________________ |
______________________ |
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______________________ |
______________________ |
2
.哪个数最大?3
.哪个数最小?