一年级20以内加减法口算题.doc

3+4= 19-4= 20-14=
14+6= 13+4= 12-7=
10+7= 14+5= 9+5=
12+4= 5+9= 14-6=
15+2= 9+4= 7+9=
20-4= 14-3= 4+6=
20-5= 12-9= 6+2=
17+3= 19-6= 2+14=
20-8= 4+10= 7+2=
9-5= 20-14= 17-3=
5+6= 1+2= 4+12=
3+1= 9+7= 12-5=
3+11= 1+8= 4+12=
6-3= 14-13= 9+6=
17-3= 10+3= 19-11=
19-1= 10-7= 20-4=
10+2= 7+12= 15-11=
16-12= 8+3= 18-16=
3+15= 19-15= 9+7=
11-10= 13-2= 15-11=
17+1= 14-8= 1+18=
9+2= 1+14= 17-7=
18-17= 2-1= 5+12=
14-6= 17-12= 5+9=
12+4= 7+1= 10-5=
6+12= 18-15= 9+3=
11-9= 7+12= 12+5=
9+2= 4+14= 20-8=
5+10= 14-11= 16-7=
7+1= 2+6= 11-9=
13-2= 14-6= 14+3=
19-8= 18-8= 3+8=
14-1= 16+2= 17+2=
20-17= 7+13= 7-6=
15-9= 10+10= 18-15=
6-2= 3+14= 18-11=
2+3= 15-13= 19-16=
13-8= 5+9= 19-10=
11-2= 3-2= 6-1=
10-8= 16-14= 11-10=
5+1= 15-3= 20-10=
17-5= 6+13= 2+7=
14-3= 5+5= 3+11=
3+13= 17-11= 17-1=
18-6= 19-2= 15+3=
15-6= 14-8= 14-9=
9+8= 18+2= 1+7=
16-7= 9+7= 3+11=
3+10= 12+8= 11+1=
20-7= 1+6= 15+3=
10-6= 11+4= 7+8=
14+2= 10+9= 2+14=
15-6= 12-7= 1+17=
3+17= 10+5= 6+3=
14-7= 18-17= 4+11=
5-1= 16-13= 13+4=
19-11= 1+10= 6+8=
13+3= 4+1= 9+8=
17-7= 20-4= 2+5=
2+13= 18-3= 20-19=
2+17= 5+4= 1+6=
16-4= 9+11= 5-2=
17-15= 12+1= 6+7=
14-8= 13-11= 12-8=
10-4= 5+4= 11+8=
15-1= 7+10= 15-3=
16-1= 11-1= 11+4=
16-5= 7+1= 13-9=