8 8 8 8 8 8 8
1 2 3 4 5 6 7 1+7= 2+6= 3+5= 4+4= 5+3= 6+2= 7+1= 7+1= 8-1= 8-7=
9
1 8 1+8= 8+1= 9-1= 9-8=
6+2= 8-2= 8-6= 9 2 2+7= 7+2= 9-2= 9-7= 5+3= 8-3= 8-5= 9 3 6+3= 3+6= 9-3= 9-6= 8-4= 9 4 4+5= 5+4= 9-4= 9-5= 3+5= 8-3= 8-5= 9 5 5+4= 4+5= 9-5= 9-4= 2+6= 1+7= 8-6= 8-7= 8-2= 8-1= 9 9 9 6 6 7 8 6+3= 7+2= 8+1= 3+6= 2+7= 1+8= 9-6= 9-7= 9-8= 9-3= 9-2= 9-1= 7 7 7 7 7 7 7
1 2 3 4 5 6 7 1+6= 2+5= 3+4= 4+3= 5+2= 6+1= 7+0= 6+1= 7-1= 7-6=
6
1 8 1+5= 5+1= 6-1= 6-5=
5+2= 7-2= 7-5= 6 2 2+4= 4+2= 6-2= 6-4= 4+3= 7-3= 7-4= 6 3 3+3= 6-3= 3+4= 7-4= 7-3= 6 4 4+2= 2+4= 6-4= 6-2= 2+5= 7-5= 7-2= 6 5 5+1= 1+5= 6-5= 6-1= 1+6= 0+7= 7-6= 7-7= 7-1= 7-0= 6 2 2 6 6 1 2 6+0= 1+1= 2+0= 0+6= 0+2= 6-6= 2-1= 2-2= 6-0= 2-0= 5 5 5 5 5 3 3 3
1 8 2 3 4 5 1 6 2 3 1+4= 2+3= 6+3= 4+1= 5+0= 1+2= 2+1= 3+0= 4+1= 5-1= 5-4=
10
1 8 1+9= 9+1= 10-1= 10-9=
3+2= 5-2= 5-3= 10 2 2+8= 8+2= 3+6= 9-3= 9-6= 10 3 7+3= 3+7= 1+4= 5-4= 5-1= 10 4 4+6= 6+4= 10-4= 10-6= 0+5= 5-5= 5-0= 10 5 5+5= 10-5= 2+1= 3-1= 3-2= 10 6 6 6+4= 4+6= 10-6= 10-4= 1+2= 3-2= 3-1= 10 7 7+3= 3+7= 10-7= 10-3= 0+3= 3-3= 3-0= 10 8 8+2= 2+8= 10-8= 10-2= 10-2= 10-3= 10-8= 10-7=
4 4 4 4 9 9 9 9
1 8 2 3 4 5 6 6 7 8 1+3= 3+1= 4-1= 4-3=
2+2= 4-2= 1+3= 3+1= 4-3= 4-1= 4+0= 0+4= 4-4= 4-0= 5+4= 4+5= 9-5= 9-4= 6+3= 3+6= 9-6= 9-3= 7+2= 2+7= 9-7= 9-2= 8+1= 1+8= 9-8= 9-1=
10以内分解及其加减法练习题
