30 以内加减法习题(959 题) 21-8= 6+19= 29-14= 21-3= 5+7= 27-5= 23+3= 1+12= 13-4= 10+11= 27-3= 6+7= 17+4= 19+8= 21-2= 10+14= 16+12= 19+4= 9+8= 19+9= 28-24= 27-26= 17-17= 22+7= 5+3= 8-5= 25+3= 24-9= 2+25= 10+15= 4+5= 1+1= 26-12= 28-28= 22-13= 15-15= 16-10= 29-17= 16+14= 4-0= 17-13= 6-1= 22-3= 2+14= 12-3= 7+11= 13-9= 18-16= 12-2= 3+4= 8+8= 17-8= 1+28= 16+4= 14+7= 14+10= 5+9= 4+17= 3+8= 8+10= 7+20= 18+3= 8+17= 7+6= 19-9= 2+26= 7+7= 22+2= 13-6= 4-2= 5+18= 25+4= 17-10= 6+1= 9-8= 14-4= 24+5= 17+10= 17-3= 21+6= 24-12= 19+11= 20-0= 15+4= 20-17= 28-2= 20+6= 0+12= 26-11= 27-18= 26+2= 28-12= 11+17= 12-8= 14+11= 3+27= 3+10= 27-11= 26-26= 5+23= 13+4= 16-6= 14+14= 6+17= 8-6= 29-22= 10-4= 0+17= 10-8= 22+0= 19+3= 4+3= 6-4= 14-3= 27-19= 9+18= 4+21= 25-7= 21-4= 22-19= 10+2= 8+2= 16-11= 19+0= 0+22= 10-1= 17-6= 10-10= 27-24= 12+13= 18+10= 9+15= 2+27= 28-0= 2+17= 4+0= 2+4= 15-13= 9-9= 0+21= 16-16= 14+5= 19-2= 11+0= 4+8= 27-27= 6+13= 19-1= 24-6= 8+1= 25-1= 27-7= 9-6= 18-10= 3+22= 27+2= 6+23= 6-3= 23-2= 9+19= 2+23= 10+16= 10+6= 13-13= 14+0= 5-4= 16-9= 23-19= 23-7= 16+10= 6-6= 6-2= 26-19= 2+16= 21-19= 1+23= 15+2= 8+6= 26-13= 26+3= 19-13= 11+3= 20+8= 26-5= 17+0= 12+15= 7+13= 12+12= 2+12= 28-27= 25-25= 15-8= 0+26= 20+4= 2+2= 6+9= 9-5= 6+20= 17-5= 3+23= 10+10= 21+2= 29-27= 5+17= 19+10= 29-28= 10+7= 3+0= 19-5= 11+6= 13-3= 10-0= 27-16= 25-0= 7+23= 23-10= 29-0= 26-21= 12-12= 21-16= 18+11= 10+17= 3-2= 4+14= 6+15= 1+26= 5+1= 18+6= 22-2= 4+24= 21-9= 12+6= 22-4= 12+14= 11+18= 0+4= 19-17= 18-2= 9+11= 0+11= 5+5= 21+5= 18+2= 9+4= 13+7= 4+16= 11-0= 5+25= 17-11= 3-1= 21-14= 21-12= 11-4= 16+9= 25-10= 16+2= 16-5= 17-1= 24+2= 16+11= 0+14= 27-23= 25-12= 24-22= 24+6= 3+19= 16+0= 3+14= 14-12= 13+15= 22-12= 22+1= 10-6= 13+14= 8+4= 7-3= ...
