bài giảng toán 6 phép trừ phân số hot

  + Về kiến thức:   !"!#$!%&%'(%) '*"#+,-%&%.,/%&%'(%) + Về kĩ năng: 0123,4"5". 6789,#!%&%'(%)/:;7% + Về thái độ: <= <:>,?'4;$@,A1 BC BD E:/F:$?":$/7?%G"H I;J; K LM NOPQ  RSLBTUVW%>X   !"# Y"<., Z[ \ ] ^ \ − + = Z] ] [ W ] − + =  7_&`,Z?"?a b cd/Ge f;=+%&%'( ,$F,$F;?G$ ,$F.,/g5 ,$F; 67$%&% '( %)= +h       F ;A,  "  :  i" 1:":%   7_&?;j,  [ZkckV[W%>X   !"#  .8,;7%h[l)$$ ,:fF"".) PFHZ"':%/F 1#A:%&%., E:/F,A<F" ;?m1#A:%&% <e;n,o        " :% .p, mbF1#A :  %&%  <  e ;n,o $%%$ h[Y"%&%., [WqV[WXro \ \ W W − + = o ] ] \ \ + = − o E::.,A,/F,:/F6sN$mt$+B4E, [ [WqV[WXro?[W/[W h u,= \ \ W W − + = o? \ W v \ W − h PFHZ"h]VeX wh[/h]ii" h c0<.8,J,x       & F  " X E:/F,g+1<+  y V X h a a b b + − = PFHZ";7%VF "X Z: v v a a a b b b − − − 6789,1p/e "";WzVZER{'\\X VF"X PFHZ7_& [W/[W  \ W v \ W −      .      l 8g   . 8, e/bVX       F  | 1 . m c:% V X o a a b b + − =      "  / ".  i"  p,  m b%:;  F a a a b b b − − = = −   \  Z  F  ;A, "?  :  i"  1: ":% 7_& \ W − 5%) \ W \ W 5%) \ W − \ W / \ W −  }cJ,xVZER{'\]X R<+5%) a b  a b −  V X o a a b b + − = a a a b b b − − = = − ' ]~•~L€~• ZkV]o%>X :i"f;4"5".%)~&%'(%)=+ ?$'‚/%H]   !"# c;%&%'(=+ ?'g"h\ }< [ ] \ ƒ − =  VZa89,1p X [ ] \ ƒ   + − =  ÷   VZa  89,  1  p %&%.,%)fX E:/F7_& Z: [ ] \ ƒ − / [ ] \ ƒ   + −  ÷   h (h\?„,7#$! VF"X       F ;A,  "?  :  i" 1:"':% 7_& c:% [ ] [ ] \ ƒ \ ƒ   − = + −  ÷   . #$! '$()*)+,%$ [ ] [ ] \ ƒ \ ƒ   − = + −  ÷   }w$!VZER{'\]X a c a c b d b d   − = + −  ÷   E::.,A,/F,:/F6sN$mt$+B4E, ] E:/F/`,"/< 89 w$m%H0,1,lH ;? :i"f'A@h c0<.8,#$!%&% '(%) R=+<:H q…:J;J'( q…:J'(?5'( 6789,"h^ w:Z"8gg%?g, 8†".i" ‡mZ7_& E:/F"; 7%y‡'7_& &- ./0-1$ PFH";7%4" _ E:/F7_&? abV0X       'A  @ )y`," /<89 . %H0,1,l H; ZFcf'A@  "h ^? "b  i"  ]%H? :  i"  1:  " :%  7_&?a H p,m b'A@ .F ;A,  "?  :  i" 1:":%  7_&?;j, 6<89 ] [ ] [ z ˆ [W ˆ ^ ˆ ^ ]z ]z ]z −   − = + = + =  ÷   h^< \ [ \ [ ‰ W X W ] W ] [o [o ‰ W [[ [o [o − + − = + = + = + = = W [ W [ [W ˆ X ˆ \ ˆ \ ][ ][ V [WX V ˆX ]] ][ ][ − − − − − + − = + = + − + − − = = ] \ ] \ z [W X W ^ W ^ ]o ]o z [W ˆ ]o ]o − − − − + − = + = + − + = = [ W [ \o [ X W ‰ [ ‰ ‰ ‰ V \oX V [X \[ ‰ ‰ − − −   + − − = + − = +  ÷   − + − − = = } 7_&VZER\\X qXB7%4"_?; W [ z ^ [ W ^ z ] W z z ] V WX z \ z x x x x x + = = −   = + −  ÷   + − = − = 2VW%>X Š Ek?E‹BTŒ~6• T6TŽ• EN• 6• T VF"X E::.,A,/F,:/F6sN$mt$+B4E, \