20以内加减法练习
12-2-1= 17-7-5= 17-4-9= 3+1+4= 4+4+6= 5+5+1= 2+4+7= 11-7-2= 18-3-8= 15-5-3= 9+4+7= 1+10+3= 2+8+5= 9-2-5=
11+8+4= 3+4+5= 9+3+7= 12-9-1= 20-10-8= 5+9+5= 11+3+2= 16-4-4= 6+2+10= 15-4-6= 14-9-2= 5+4+10= 18-6-2= 4+7+2=
21
19-7-9= 3+9+10= 19-6-13= 9+2+7= 5+9+4= 2+10+5= 17-6-5= 9+5+4= 18-2-4= 6+7+3= 16-1-8= 16-8-1= 15-3-8= 19-6-5=
20以内加减法练习
5+6+8= 10-8-2= 19-10-7= 15-4-10= 18-10-6= 8+1+7= 3+4+5= 10-5-4= 7+7+6= 3+10+5= 10+4+4= 13-6-6= 6+7+6= 6+6+2=
3+8+9= 16-10-6= 6+10+2= 16-1-7= 20-6-7= 5+7+8= 19-2-7= 5+3+9= 20-3-6= 8+7+2= 11-1-8= 7+1+3= 5+9+5= 3+6+4=
22
9-2-5= 10+7+1= 18-7-10= 6+7+1= 16-7-4= 18-9-2= 17-5-3= 8+6+2= 2+7+3= 8+7+2= 17-2-2= 17-7-2= 20-10-5= 4+5+3=
20以内加减法练习
2+6+6= 14-3-6= 20-2-9= 7+2+7= 15-4-5= 2+3+9= 20-4-4= 16-6-2= 8+5+3= 11-3-1= 11-5-5= 10-4-3= 13-4-4= 7+5+2=
4+6+5= 7+6+1= 19-5-9= 4+1+5= 3+8+3= 7-1-5= 11-1-1= 12-5-4= 10+3+4= 19-3-10= 4+7+2= 1+10+8= 16-4-3= 9+4+6=
23
15-8-4= 18-2-3= 9+2+4= 18-3-2= 16-3-6= 19-10-9= 8+7+2= 13-2-5= 8+3+6= 2+8+5= 13-5-2= 1+9+10= 1+5+8= 12-1-10=
20以内加减法练习
4+10+2= 11-3-8= 6+3+5= 8+2+4= 18-4-2= 8+3+1= 12-3-2= 16-4-8= 17-5-10= 16-4-8= 4+5+8= 13-3-2= 2+5+8= 19-8-6=
18-4-10= 2+5+4= 9+6+5= 15-2-6= 2+9+6= 18-6-9= 1+9+6= 2+2+10= 18-3-3= 5+6+1= 12+7+2= 18-8-10= 3+7+4= 7+10+1=
24
9+3+4= 9+7+3= 16-6-5= 19-4-8= 6+4+9= 16-8-4= 15-2-9= 20-5-4= 13-3-5= 20-8-6= 14-8-3= 16-5-3= 5+8+3= 8+5+3=
20以内加减法练习
20-6-5= 18-5-2= 4+9+7= 3+8+5= 12-7-6= 6+2+10= 18-5-3= 12-10-1= 18-4-6= 16-3-9= 17-5-8= 2+7+6= 19-7-2= 11-5-4=
15-6-7= 19-3-9= 17-5-1= 8+5+6= 14-7-3= 4+6+8= 10+2+3= 17-2-5= 14-9-4= 18-2-6= 12+6+4= 5+10+2= 6+2+6= 5+5+4=
25
7+6+4= 7+9+1= 19-4-10= 1+9+9= 13-8-3= 18-9-8= 18-7-1= 4+3+7= 5+7+4= 6+9+3= 3+6+6= 13-5-5= 19-5-8= 16-8-5=