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1、 一年级数学凑十法年级 班 XX:9 + 2 =( ) 9 + 3 =( )9 + 4 =( ) 9 + 5 =( )9 + 6 =( ) 9 + 7 =( ) 9 + 8 =( ) 9 + 9 =( )6 + 9 =( ) 5 + 9 =( )8 + 3 =( ) 8 + 4 =( )8 + 5 =( ) 8 + 6 =( )8 + 7 =( ) 8 + 8 =( ) 8 + 9 =( ) 6 + 8 =( )7 + 8 =( ) 3 + 8 =( )7 + 4 =( ) 7 + 5 =( )7 + 6 =( ) 7 + 8 =( )7 + 9 =( ) 7 + 7 =( ) 4 + 7 =
2、( ) 5 + 7 =( )6 + 7 =( ) 7 + 7 =( )8 + 7 =( ) 9 + 7 =( )6 + 5 =( ) 6 + 6 =( )6 + 7 =( ) 6 + 8 =( ) 6 + 9 =( ) 8 + 9 =( )7 + 9 =( ) 5 + 9 =( )4 + 9 =( ) 3 + 9 =( )3 + 8 =( ) 4 + 8 =( )5 + 8 =( ) 6 + 8 =( )7 + 8 =( ) 8 + 8 =( )4 + 7 =( ) 5 + 7 =( )6 + 7 =( ) 7 + 7 =( )8 + 7 =( ) 9 + 7 =( )5 + 6 =( ) 5 + 7 =( )5 + 8 =( ) 5 + 9 =( )6 + 7 =( ) 6 + 5 =( )7 + 8 =( ) 8 + 9 =( )4 / 4