一年级数学下册五加与减(二)3小小图书馆填空题北师大版.doc

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13 小小图书馆填空题填空题1想想填填想:4 减 8 不够减,要把 34 分成 20 和 14先算 14 减 8,得( ) ,再把 20 和( )合起来,得( ) 想:0 减 3 不够减,要把 70 分成( )和( ) 先算( )减( ) ,得( ) ,再把( )和( )合起来,得( ) 23从 80 里连续减 9,把每次减得的差写在横线上80 _71_ _ _ _ _ _ _参考答案1想想填填6,6,2660,10,10,3,7,7,60,672左边:30、52、39 右边:69、62、773从 80 里连续减 9,把每次减得的差写在横线上62、53、44、35、26、17、8

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