一年级口算800题

1+34= 10+38= 2+21= 38+1= 31+10= 25+10= 1+46= 12+3= 1+38= 16+1= 15+2= 13+12= 23+10= 10+31= 33+14= 4+43= 2+42= 46+3= 38+10= 13+26= 8+41= 12+20= 2+5= 6+20= 23+16= 22+22= 25+10= 21+1= 25+4= 10+8= 16+1= 40+7= 37+2= 41+6= 31+13= 1+21= 12+10= 20+6= 20+11= 26+23= 13+21= 21+23= 28+10= 5+30= 9+10= 25+3= 20+14= 20+6= 45+1= 36+1= 3+24= 31+11= 24+5= 20+19= 12+16= 5+1= 2+45= 15+4= 5+44= 10+23= 2+15= 20+22= 33+3= 6+31= 6+33= 3+5= 21+22= 24+10= 41+8= 16+3= 32+13= 32+12= 47+1= 43+3= 12+3= 31+8= 12+20= 2+17= 34+10= 32+7= 2+14= 25+20= 4+24= 30+14= 12+12= 28+10= 3+16= 3+4= 24+23= 9+20= 14+33= 7+30= 30+4= 10+4= 9+40= 12+14= 25+3= 28+1= 32+10= 20+26= 46+2= 8+41= 22+22= 44+4= 12+24= 2+32= 10+10= 5+20= 12+7= 25+1= 26+1= 23+26= 17+31= 5+20= 20+17= 41+5= 32+7= 30+11= 6+10= 24+22= 45-13= 28-28= 39-28= 40-10= 37-2= 29-27= 49-11= 39-30= 11-1= 44-31= 19-11= 49-43= 21-1= 26-1= 48-40= 23-13= 16-2= 37-16= 8-7= 36-22= 47-36= 6-2= 38-34= 42-11= 36-15= 28-13= 16-1= 6-4= 47-26= 42-30= 16-5= 37-13= 29-26= 33-10= 36-31= 46-44= 19-16= 9-1= 9-8= 45-34= 16-4= 28-22= 25-4= 46-13= 44-21= 49-41= 45-5= 25-5= 31-20= 32-21= 43-43= 35-20= 39-15= 49-41= 36-32= 49-1= 6-1= 25-5= 39-8= 49-10= 24-3= 45-24= 15-5= 45-24= 20-10= 45-14= 18-13= 44-43= 49-34= 5-5= 36-6= 49-34= 35-2= 16-5= 4-3= 43-41= 42-40= 45-12= 48-31= 48-47= 49-26= 36-4= 26-11= 49-32= 35-24= 49-1= 19-11= 19-3= 26-23= 38-13= 42-42= 26-14= 31-31= 18-8= 32-20= 25-21= 25-13= 14-1= 45-44= 17-7= 39-10= 44-32= 39-11= 35-5= 21-11= 49-21= 48-18= 21-11= 46-1= 34-20= 48-38= 44-31= 43-42= 34-20= 39-19= 48-18= 40-10= 49-21= 38-24= 35-23= 2＋6= 29－7= 35＋2= 7 3＋4= 25＋4= 43＋5= 87＋10= 3 9－3= 48－30= 95－40= 81－2= 60＋8= 39＋10= 76＋10= 70＋30= 48－9= 47－8= 52－4= 43－8= 68－9= 40－2= 27－9= 32－4= 41...