一年级上册数学口算题100题
1+8= 4+12= 3+13= 14-3= 18-5= 7+6=
12+1= 12-1= 19-15= 18-1= 13-11= 16+1=
9-2= 16-7= 16-15= 18-14= 18-5= 16+4=
20-16= 17-5= 20-19= 10-5= 11-4= 1+8=
16-11= 17-5= 6+2= 6+10= 14-9= 18-11=
2+13= 6+8= 13-12= 13-3= 8+5= 19-4=
19-18= 7-4= 6+13= 17-3= 1+17= 20-6=
7-2= 5-2= 7+3= 14-2= 15+4= 14-8=
17-6= 11-2= 20-15= 6+2= 11-8= 9-4=
16-6= 14+1= 2+5= 2+17= 2+10= 8+12=
14+3= 8-2= 17+1= 20-5= 18-13= 11-9=
18-15= 15-9= 1+8= 19-14= 10+5= 19-12=
20-13= 12-9= 18-6= 14-8= 7+8= 18-14=
11-8= 8-7= 17+3= 1+3= 7-4= 2+5=
5-2= 14-3= 8+9= 13-1= 9+3= 7+12=
17-3= 20-19= 5-1= 20-15= 19-18= 12+2=
15-5= 12-3= 6+4= 7+5= 19-8= 18-11=