口算题100道，一年级上册20以内加减法，下载打印，扫扫看学习网创编
3+2= 2-1= 7-1= 2+5=8-5= 3+2= 8-7= 7-6=
2-2= 4+1= 8+2= 6+4=
8+2= 8+2= 5-1= 8-3=
5-3= 5+0= 10-5= 3+3=
2-2= 2+4= 10+0= 5+1=
6-2= 3-1= 6-5= 10+0=
9-4= 6+3= 4+4= 6-2=
10+0= 8+0= 4-3= 9+0=
7+1= 9+1= 9-4= 2+5=
9+0= 2-0= 5+1= 5-3=
6-6= 8+2= 5-2= 7-5=
10+0= 4-1= 10+0= 3+7=
3+6= 8+0= 8-1= 3+1=
7-5= 5+3= 9+0= 3+5=
8-3= 2+7= 9+1= 7+2=
2-2= 4+1= 9+0= 5+3=
5-3= 2-1= 5-1= 5+1=
10-1= 9-7= 5-1= 5+5=
7-0= 5+2= 3-2= 5-5=
7+2= 8+0= 10-5= 3+6=
9+0= 2-0= 4-4= 4-2=
5-5= 10-7= 7-3= 4-4=
3-3= 6+2= 3-2= 6-4=
2+8= 4-2= 7-0= 7-7=
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