ᠬᠤᠶᠠᠳᠤᠭᠠᠷ ᠪᠦᠯᠦᠭ .pptx

  8 ,  ,   ,   12  9            ,           ,          ,12  8 = 4,4          ,, 8           ,    ,12  8 =,2,10,2,4,12  8 =,2,6,10,4,       ,8 + ( ) = 12,12  8 = ( ),4,4,     ,     , ,  7  6 ,  ,11－9 ＝,11－8 ＝,13－9 ＝,16－9 ＝,14－8 ＝,15－9 ＝,15－8 ＝,12－9 ＝,17－9 ＝,2,7,4,3,7,6,6,3,8,   ,12－8 ＝,4,        , 13       6        ,13       6      ,,       ,13  6 =,,10  6 = 4 4 + 3 = 7,7,13      7      ,, 13       7        ,       ,13  7 =,,10  7 = 3 3 + 4 = 7,6,   ,12     7        ,12  7 =,5,2,10,3,12  7 =,2,5,10,5,  ,8,6,6,8,6,7,7,6,8 + 9 = 17  8 = 17  9 =,9 + 6 = 15  9 = 15  6 =,7 + 9 = 16  7 = 16  9 =,  ,17,9,8,16,9,7,15,6,9,10  7 = 11  7 = 12  7 = 13  7 = 14  7 = 15  7 = 16  7 = 17  7 =,10  6 = 11  6 = 12  6 = 13  6 = 14  6 = 15  6 = 16  6 = 17  6 =,    ,        7   6   , ,   5 4 3 2  ,  ,    ,14－8 ＝,15－6 ＝,17－9 ＝,12－7 ＝,15－7 ＝,11－6 ＝,14－7 ＝,13－9 ＝,6,9,8,5,8,5,7,4,   , 4,  12  ,             ,          ,12 — 5 =,    ,12 — 5 =,12 — 5 =,12 — 5 =,2,10,2,3,5,10,7,7,5 ＋( ) = 12,7,7,  ,12  5 =,,12  4 =,,12  3 =,,11  4 =,,11  3 =,,11  2 =,,7,8,9,7,8,9,  , , 5  ,  ,    ,12－ 8 ＝,11－ 2 ＝,12－ 3 ＝,13－ 4 ＝,15－ 7 ＝,12－ 6 ＝,14－ 5 ＝,13－ 7 ＝,4,9,9,9,8,6,9,6,  ,        ,16    ,,,, 9   ,,  4    ,      ,          ,   ,,,,,,,,,,,,,,,,,    ,   7              ,16  9 = 7,, 4         ,( ),16  9 = 7,,( ),   16, 9 ,7          ,    ,  7   9   16   ,  ,  13   5       6        ,13  6 = 7, , ,  5         ,  ,,,    11      5   ,,  15   ,       ,11  5 = 6, ,,  ,   15    ,,  ,                , ,