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爱口算ikousuan.cn，第2页共10页。
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|
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|
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爱口算ikousuan.cn，第6页共10页。
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|
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|
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|
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用时______分______秒
|
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|
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爱口算ikousuan.cn，第7页共10页。
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爱口算ikousuan.cn，第9页共10页。
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44+40= |
34+7= |
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18+68= |
43+56= |
29+45= |
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47+29= |
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37+2= |
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34+35= |
爱口算ikousuan.cn，第10页共10页。
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