文档介绍：口算题
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13+7=
14+6=
14+5=
9-7=
18-17=
14-5=
15-11 =
13-7=
2+18=
13-4=
13+6=
19+1 =
18-5=
10-8=
13-11 =
11-11 =
17+2=
10-9=
10-10=
17+3=
5+14=
16+1 =
17-10=
9-7=
2+11 =
5+8=
11-8=
6+1 =
6+1 =
5-3=
7+4=
19-14=
14-3=
12-11 =
9-3=
9+7=
16+2=
12+3=
10-7=
20-10=
9+6=
13+3=
3+17=
7-4=
10+2=
7-5=
17+1 =
15-4=
5-5=
2+12=
13-8=
4+15=
13+4=
15+1 =
19-10=
14+2=
3+6=
10-10=
60-50=
40-30=
2= 5+6= 11-6= 5+3=
20-10= 8+5= 18+2= 11+9= 18-9= 4+14=
9= 15-13= 8+8= 18-3= 9-9= 5-3= 17-2=
8+6= 2+17= 20-5=
17+2= 6+11 = 9-9= 12-9= 7-3= 9-1 = 11+5= 16+3= 12-7= 13-12= 13-6= 17+1 = 13+5= 19-4= 11-7= 9-4= 5+9= 7+8= 14+1=9+8=
10+8= 11+6= 9+1= 1+14= 5+10= 15+1=11-2= 12+8= 8+1= 13-11=11-8= 6+3= 20-2=
4= 9-2= 12-3= 12-3= 14-6= 15-8= 15-1 =
11-9= 6+12= 10-7= 9+3= 7+2= 12+7= 14-10= 7+11=18+1=11-8= 9+5= 18-8= 19-12= 2+9= 14-2= 7-4= 12-3= 8+2= 19+1=9+8=
9+1=3+11= 18+2= 7+9= 6+4= 8-2= 4+2= 8+2= 10-10= 5-3= 10-9= 4+12= 14+1= 13-5=
5= 1 +4= 6+9= 11 +5= 4+12= 14-13=
9= 9-4= 17+2= 11+1= 12+4= 18+2= 8+2= 20-10= 6+6= 9+1= 16-2= 5+9= 13-8= 19+1 = 7-7= 16+1=6+9= 6+5= 2+13= 1+8=
10+5= 2+13= 6+2= 16+1= 20-8= 15+5= 6-4= 9-6= 14-14= 14+4= 14-8= 9-2= 11+5= 14-7=
2= 18+1=6+9= 4+8= 7+8= 9+2=
14+2= 20-15= 8+1= 11 +5= 11-9= 12-2= 15-14= 1 +3= 1+18= 16-4= 1 +2= 8-6= 17-13= 7+11 = 20-7= 6+6= 11+3= 11-10= 17+1= 10-8=
12= 14+5= 6+5= 9-7= 7-5= 11-9= 14+6=