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一、 61 ( )2 ( )3 ( )4 ( )5 ( )二、 6 6 6 6 6 1 ( ) 2 ( ) 3 ( ) 4 ( ) 5 ( )1+()=6 2+( )=6 3+( )=6 4+( )=6 5+( )=66-1= 6-2= 6-3= 6-4= 6-5=6-( )=1 6-( )=2 6-( )=3 6-( )=4 6-( )=5三、加法 2+3= 3+1= 1+5= 2+2= 4+2= 5+1= 0+6= 3+3= 2+4= 4+1= 3+2= 6+0= 2+4= 1+4= 2+1= 1+3= 4+2= 四、减法 6-5= 6-2= 6-1= 6-3= 6-4= 6-6= 6-2= 6-4= 6-5= 6-1= 6-3= 6-0=五、 6-( )=3 6-( )=2 6-( )=1 6-( )=4 6-( )=56-( )=0 3+( )=6 2+( )=6 1+( )=6 5+( )=6 4+( )=6 10 6 10 6 6 7 ( ) 2 ( ) 5 ( ) 3 ( ) 1 ( )10 10 6 10 6 6 ( ) 4 ( ) 4 ( ) 9 ( ) 5 ( )10 6 10 6 10 1 ( ) 6 ( ) 3 ( ) 2 ( ) 8 ( )6 10 6 10 6 4 ( ) 5 ( ) 1 ( ) 2 ( ) 3 ( )10 6 10 10 6 7 ( ) 5 ( ) 6 ( ) 1 ( ) 5 ( )一、 71 ( )2 ( )3 ( )4 ( )5 ( )6 ( )二、 7 7 7 7 7 7 1 () 2 ()3 ()4 ( )5 ( ) 6 ()1+()=7 2+( )=7 3+( )=7 4+( )=7 5+( )=7 6+()=77-1= 7-2= 7-3= 7-4= 7-5= 7-6=7-( )=1 7-( )=2 7-( )=3 7-( )=4 7-( )=5 7-( )=6三、加法 2+3= 3+1= 1+5= 2+2= 4+2= 5+1= 1+6= 3+4= 2+4= 4+3= 3+2= 6+1= 2+5= 1+4= 5+2= 1+3= 4+2= 3+3=四、减法 7-5= 7-2= 7-1= 7-3= 7-4= 7-6= 7-2= 7-6= 7-5= 7-1= 7-3= 7-4=6-5= 6-2= 6-1= 6-3= 6-4= 6-6= 6-2= 6-4= 6-5= 6-1= 6-3= 6-0=五、 7-( )=3 7-( )=2 7-( )=1 7-( )=4 7-( )=57-( )=0 7-( )=6 3+( )=7 2+( )=7 1+( )=7 5+( )=7 4+( )=76+( )=76-( )=3 6-( )=2 6-( )=1 6-( )=4 6-( )=56-( )=0 3+( )=6 2+( )=6 1+( )=6 5+( )=6 4+( )=62+3= 3+4= 2+8= 3+1= 5+5= 3+2= 7+3= 1+5= 2+5= 4+6= 2+2= 4+2= 5+1= 6+4= 4+3=0+6= 3+3= 2+4= 6+1= 1+4=4+1= 6+0= 1+9= 9+1= 7+3= 3+7= 5+2= 2+1= 8+2= 1+3= 1+6=4-3= 10-2= 6-1= 7-2= 10-3= 5-4= 7-4= 6-2= 10-5= 6-4= 5-2= 10-1= 7-5= 6-3= 10-8= 10-7= 6-5= 4-2= 7-1= 10-9=3-1= 10-7= 3-2= 7-3 = 2-1= 10-6= 5-1= 10-4= 3-2= 5-3=7-6=2+3= 3+4= 2+8= 3+1= 5+5= 3+2= 7+3= 1+5= 2+5= 4+6= 2+2= 4+2= 5+1= 6+4= 4+3=0+6= 3+3= 2+4= 6+1= 1+4=4+1= 6+0= 1+9= 9+1= 7+3= 3+7= 5+2= 2+1= 8+2= 1+3= 1+6=4-3= 10-2= 6-1= 7-2= 10-3= 5-4= 7-4= 6-2= 10-5= 6-4= 5-2= 10-1= 7-5= 6-3= 10-8= 10-7= 6-5= 4-2= 7-1= 10-9=3-1= 10-7= 3-2= 7-3 = 2-1= 10-6= 5-1= 10-4= 3-2= 5-3=7-6= 2+3= 3+4= 6+2= 2+8= 4+1= 2+5= 4+4= 7+3= 1+5= 1+9= 3+5= 4+2= 6+4= 5+2= 2+1= 3+7= 0+6= 3+3= 2+4= 1+6= 6+0= 5+3= 2+2= 8+2= 7+1= 3+1= 2+6= 2+5= 4+6= 3+4= 6+4= 1+7= 6+1= 3+3= 5+1= 9+1= 7+3= 3+5= 1+3= 2+4= 3+2= 5+3= 5+2= 3+7= 2+8= 5+5= 4+3= 8+2= 1+4= 6+2= 4-3= 10-2= 8-6= 3-2= 7-3= 8-5= 7-4= 6-2= 10-6= 5-1= 5-2= 7-5= 8-4= 7-6= 10-4= 10-7= 6-5= 4-2= 3-1= 8-3= 6-1= 8-7= 5-4= 10-1= 10-7= 7-2= 10-5= 8-2= 5-2= 6-5= 6-4= 8-3= 10-3= 6-3= 10-8= 4-2= 7-1= 10-9= 8-5= 7-3= 2-1= 10-4= 3-2= 5-3= 8-6= 7-4= 6-2= 4-1= 8-1= 10-7一、 81 ( )2 ( )3 ( )4 ( )5 ( )6 ( )7 ( )二、 8 8 8 8 8 8 8 1 () 2 ()3 ()4 ( )5 ( ) 6 () 7 ()1+()=8 2+( )=8 3+( )=8 4+( )=8 5+( )=8 6+()=87+()=88-1= 8-2= 8-3= 8-4= 8-5= 8-6= 8-7=8-( )=1 8-( )=2 8-( )=3 8-( )=4 8-( )=5 8-( )=6 8-( )=7三、加法 1+7= 2+6= 3+5= 4+4= 5+3= 6+2= 7+1= 3+5= 2+6= 5+3= 6+2= 1+7= 4+4= 四、减法 8-5= 8-2= 8-1= 8-3= 8-4= 8-6= 8-7= 8-6= 7五、 8-( )=3 8-( )=2 8-( )=1 8-( )=7 8-( )=58-( )=0 8-( )=6 8-( )=4 3+( )=8 7+( )=8 1+( )=8 5+( )=8 4+( )=86+( )=8 2+( )=8全2+3= 3+4= 6+3=
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