·
12-6= 12+6= 15+2= 5+13= 11-3= 2+1= 16-14= 9+6= 1+8= 4+12= 3+13= 7+6= 14-3= 12-1= 9-2= 18-14= 20-16= 16-11= 14-9= 13-12= 8+5= 7-4= 5-2= 15+4= Word资料
18-5= 18-1= 16-7= 18-5= 10-5= 17-5= 18-11= 13-3= 6+13= 1+17= 14-2= 17-6= 19-15= 13-11= 20-19= 11-4= 6+2= 2+13= 19-4= 17-3= 7-2= 6+2= 12+1= 16+1= 16+4= 17-5= 1+8= 6+10= 6+8= 19-18= 20-6= 7+3= 20-15= 9-4=
16-15= 14-8= ·
11-2= 16-6= 14+1= 2+5= 11-8= 2+17= 2+10= 8+12= 14+3= 8-2= 17+1= 11-9=
11-8= 20-5= 1+8= 10+5= 12-9= 7+8= 5-2= 13-1= 17-3= 15-5= 7+5= Word资料
20以加减法口算题(练习)( 2+17= 18-13= 19-14= 18-6= 11-8= 8-7= 14-3= 9+3= 12+2= 12-3= 18-11= 2+10= 15-9= 19-12= 18-14= 17+3= 7-4= 8+9= 20-19= 19-18= 6+4= 8+9= )
8+12= 18-15= 20-13= 14-8= 1+3= 2+5= 7+12= 5-1= 20-15= 19-8= 10-4=
·
19-13= 3+1= 4+10= 2+3= 7+6= 8+9= 1+18= 3+15= 12-3= 19-12= 11+2= 7+4= 15-1= 9-3= 17+2= 6+12= 9+7= 15-1= 1+5= 6-1= 2+10= 17-3= 6-5= 18+2= 5+4= 13-4= 19-11= 14+6= 16-8= 10-8= 8+4= 1+9= 4+4= 7+2= 20以加减法口算题(练习)(Word资料
15-5= 10+1= 14+5= 4+15= 15+2= 2+14= 6+1= 2+18= 13+3= 14-5= 16-2= 19-9= 11-5= 2+11= 4+4= 7+10= 4+7= 10-9= 1+12= 4-1= 8+1= 16+4= )
·
16-8= 10-8= 13+3= 4-1= 3+11= 17+3= 14-13= 10+9= 19-11= 6+4= 12+6= 18-5=
1+17= 17-11= 3+10= 10-2= 9-7= 6+6= 16+2= 14-1= 2+14= 8-1= 5+12= 5+6= Word资料
6-5= 10-1= 17-14= 19-10= 15-10= 14-3= 3+4= 17-2= 20-13= 20-16= 5+2= 11-6= 3+16= 20-1= 18-7= 20-4= 4+9= 18-7= 14-5= 7+8= 4-2= 6+5= 14+1= 10+9= 1+6= 14+1= 7+10= 8+11= 19-1= 20-13= 16-2= 6+3= 6+8= 17-13= 9-2= 5+8=
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