小学一年级口算题:20以内连续加减综合!
16+1-12= 8+2-3= 2+12+1= 0+17-14=
11-2-0= 11+4-7= 8+2+3= 12-7-1=
3+16-9= 14-1-9= 16-8-6= 18+1-6=
16-10+5= 7-2+5= 16+1+3= 17-5-9=
14-8-1= 7+0+9= 4+10-6= 4-0-0=
2+3-4= 20-3-7= 4+8-11= 15+3-6=
2+11-10= 20-5-6= 6+1+11= 17-15-0=
19-6-12= 8+5+0= 15+2-11= 10+6-7=
13+1+1= 20-5-3= 18-1-14= 13-7-0=
0+2+17= 17-10+1= 16-16+6= 6+0+0=