小学数学一年级下册口算题5.doc

5+6= 2+41= 20-7= 6+24= 24+9= 29+10= 31-6= 37+7= 25+24= 19+7= 12-5= 19+30= 29-5= 9+11= 4+2= 23-8= 7+17= 8+15= 19+27= 17+17= 22+13= 11+24= 18+12= 2+1= 4+23= 18+16= 1+33= 39+9= 2+8= 49-6= 18+11= 9+37= 21+11= 23+24= 4+5= 20+19= 49-5= 1+42= 7+38= 13+28= 12+10= 34+14= 38-1= 43+4= 2+4= 17+8= 5+30= 26-5= 13+17= 1+28= 24-6= 19+1= 17+21= 18+21= 29+1= 14-5= 26+19= 29+8= 3+22= 6+13= 42+3= 7+24= 13+33= 13+21= 4+7= 2+28= 31+9= 22+26= 23+23= 14+34= 9+23= 6+22= 4+2= 10+9= 6+10= 25+19= 17+15= 24+10= 28+3= 18+23= 15+35= 21+4= 13+11= 6+16= 46-9= 7+42= 4+28= 7+28= 29+9= 13-7= 33-2= 30+12= 1+5= 3+26= 31+11= 32-7= 20+26= 12+21= 20+7= 40-9= 9+34= 22-4= 2+3= 23+3= 16+16= 6+24= 44-4= 46-2= 26+18= 6+28= 33-6= 11+39= 25-1= 48-2= 48-2= 14+5= 15+33= 1+23= 29-1= 9+26= 10+22= 38+7= 29-4= 8+18= 29+3= 13+7= 44+1= 21+20= 13+30= 20+18= 8+37= 13+9= 10+27= 8+33= 11-3= 22+28= 7+32= 29-8= 11-5= 17+23= 2+35= 3+44= 34+2= 12+14= 22+28= 39+6= 6+18= 22-7= 7+19= 40+9= 44-4= 27+20= 30-6= 21-1= 36-4= 26+11= 5+23= 35+14= 25+5= 9+15= 12+22= 3+43= 46-7= 13+35= 42+4= 15+34= 2+44= 25+4= 40+9= 22+18= 18-5= 18+7= 30-3= 30-4= 24-1= 10+18= 39+4= 16-1= 15+3= 7+19= 49-7= 21+27= 38-3= 5+40= 46+4= 22+19= 17+31= 3+36= 19+21= 38+4= 47-9= 21-2= 32-4= 5+37= 32+18= 21+25= 13+21= 18-7= 17-7= 33+13= 1+6= 16+29= 25-7= 10+1= 5+22= 4+31= 23+14= 22+11= 36+1= 41-3= 30+2= 42-2= 2+37= 1+23= 44+1= 38+11= 11+10= 18+16= 5+45= 27+2= 11+38= 18+24= 34+11=