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20以内加减法口算题 计时( )
19-13= 3+1= 4+10= 2+3= 12-2= 18-12= 16+13= 11-5= 18-5= 12-9= 10-8= 16+6= 12-3= 16-2= 14-9= 11-8= 7+18= 12+8= 25-2= 7+13= 13+5= 11+5= 15+5= 22-2= 15+5= 24-4= 19+1= 27-7= 10+9= 18-8= 20-5= 16+2= 13+2= 9+7= 8+8= 3+9= 6+7= 9+9= 7+9= 6+5= 3+16= 15+3= 19-8= 18-6= 16+4= 11+5= 8+7= 6+14= 12+8= 4+12= 15-3= 13-7= 11-9= 17-2= 10-9= 8+6= 7+3= 11+13= 22+6= 13+9= 8+15= 14+9= 7+12= 14+5= 7+11= 12+5= 13+3= 15+9= 6+19= 8+13= 13+15= 14+11= 16+6= 17+7= 9+22= 9+8= 23-3= 19-6= 18-4= 17-3= 14-2= 15-3= 15-9= 19-6= 14-3= 18-5= 19-5= 19-4= 19-8= 16+4= 14+3= 19-5= 17-9= 18-8= 13-5= 14-7= 14-6= 15-2= 11-6= 12+3=
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20以内加减法口算题 计时( )
12+6= 20-0= 14-3= 15+5= 14+4= 15+5= 12+8= 16-9= 19-2= 15+2= 17+3= 19+1= 18+2= 1+19= 12+8= 3+17= 14+6= 25+5= 16+4= 17+3= 8+12= 19+1= 11+9= 12+8= 13+7= 14+6= 15+5= 16+4= 17+3= 18+2= 19+1= 12+4= 12+5= 20-19= 18-9= 20-7= 20-9= 20-6= 18-9= 16-8= 13-7= 20-4= 20-2= 20+5= 6+7= 6+8= 6+9= 1+19= 9+11= 2+13= 2+16= 13+4= 13-2= 14-1= 16-3= 16-6= 9+8= 11+7= 23+3= 5+8= 8+5= 9+4= 6+8= 7+8= 6+9= 5+6= 4+7= 8+4= 6+6= 0+16= 7+5= 5+7= 9+0= 7+6= 9+8= 8+8= 7+5= 5+6= 5+8= 7+7= 7+9= 10+5= 6+7= 8+6= 7+12= 6+9= 8+5= 9+10= 4+7= 10+10= 0+12= 6+7= 5+6= 6+6= 9+3= 5+8= 9+9= 2+9= 4+8= 5+7=
.
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20以内加减法口算题 计时( )
18-8= 13+2= 19-12= 17-12= 15+5= 3+8= 5+8= 7+6= 5+9= 8+7= 5+8= 7+9= 9+8= 5+7= 8+4= 9+3= 9+9= 3+8= 6+5= 7+4= 8+8= 6+8= 2+9= 7+7= 3+7= 6+6= 6+9= 8+6= 3+8= 15+5= 7+8= 12-4= 15-6= 14-7= 11-8= 14-9= 15-7= 15-9= 16-7= 13-6= 16-9= 11-5= 12-8= 11-7= 18-9= 17-8= 14-8= 13-7= 15-8= 14-5= 11-9= 17-9= 11-5= 13-8= 15-7= 12-8= 14-9= 13-7= 16-8= 20-10= 17-7= 14-9= 17-8= 11-6= 12-6= 13-8= 14-6= 14-8= 11-7= 19-10= 16-6= 12-5= 13-6= 18-0= 13-8= 14-5= 15-6= 11-9= 16-7= 15-5= 11-8= 12-7= 13-5= 18-9= 17-8= 12-3= 14-7= 16-9= 13-4= 12-4= 15-8= 11-5= 12-6= 13-6= 14-0= 16-6= 13-5= 10-5= 6+7= 7+6=
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20以内加减法口算题 计时( )
14+6= 13+4= 14-6= 7+9= 13-6= 13-7= 6+6= 5+8= 0+15= 13-9= 17-8= 4+7= 12-2= 15+5= 13-8= 12-4= 5+9= 6+8= 14-5= 7+7= 13-13= 18-9= 7+5= 6+8= 2+9= 11-6= 18-0= 16-10= 3+8= 6+9= 12-10= 18-8= 7+8= 4+9= 12-8= 0+9= 8+8= 13-8= 12-6= 15-6= 3+8= 7+5= 8-8= 8-0= 13-5= 11-4= 17+3= 19-10= 12+4= 5+9= 15+2= 9+4= 20-4= 14-3= 4+6= 6+2= 20-5= 12-9= 2+14= 7+2= 17+3= 19-6= 4+10= 17-3= 20-8= 20-14= 9-5= 4+12= 5+6= 1+2= 12-5= 9+6= 3+1= 9+7= 6-3= 14-13= 3+11= 1+8= 19-11= 20-4= 17-3= 10+3= 15-11= 18-16= 19-1= 10-7= 16-12= 8+3= 10+2= 7+12= 9+7= 19-15= 3+15= 11-10= 13-2= 15-11= 17+1= 14-8= 1+18= 5+12=
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20以内加减法口算题 计时( )
17+1= 14-8= 1+18= 5+12= 13-5= 10-5= 6+7= 7+6= 9+9= 2+9= 4+8= 5+7= 14-6= 15-2= 11-6= 12+3= 14+8= 9+16= 17-7= 6+12= 13-10= 17-5= 19+4= 13-7= 12-7= 11-8= 19-2= 4+7= 7+5= 6+8= 2+9= 11-6= 6+8= 2+9= 7+7= 3+7= 15+4= 10-8= 10+14= 20+3= 11-10= 10-0= 10+9= 18-10= 15-8= 14-8= 2+8= 18-3= 18-9= 4+7= 6+6= 9+2= 13-5= 13-6= 13-7= 13-8= 7+7= 14-8= 15-6= 16-9= 16-8= 14-7= 12+8= 8+6= 6+9= 14-6= 5+7= 4+7= 0+18= 13+4= 19-1= 11+5= 16-9= 17-8= 18-9= 9+11= 18-8= 18-9= 17-9= 13-6= 15-7= 14-6= 11-5= 9+6=
17-15= 4+15= 14-4= 15-2= 13-8= 12-4= 5+9= 6+8= 12+4= 5+9= 15+2= 9+4=
19-17= 6+13= 11-3= 20-15=
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