一年级数学下册口算练习题_一年级上下册资料_小学一年级学习资料-25年更新版_1-04、小学一年级数学下册_1-4-2、练习题、作业、试题、试卷_通用

10+8= 18-9= 50+50= 19-9= 16-8= 13-7= 50-50= 3+10= 5+8= 8+10= 40+8= 17-7= 7+4= 10+10= 70+20= 14+6= 11-32= 6+6= 9+40= 12+8= 2+10= 11+6= 60+40= 20-20= 6+8= 16-16= 10+40= 14-7= 6+6= 10+50= 9+30= 15-6= 2+9= 30+30= 50-50= 4+9= 18-9= 60+30= 90+4= 9+9= 8+4= 30+40= 5+60= 10-3= 15-6= 80-60= 10+90= 13-8= 8+4= 90-60= 30+8= 11-3= 7+7= 30+70= 40+60= 5-5= 16-8= 50+9= 5+8= 19-9= 12-5= 50-40= 16-8= 6+6= 9+7= 20+80= 13+7= 12+4= 15+3= 7+20= 11-9= 14-6= 5+6= 20+80= 11-3= 13-7= 11-3= 40-30= 14+5= 11-9= 3+6= 60+8= 4+7= 3+14= 9+2= 30-30= 18-8= 67-6= 14-9= 90+10= 12-9= 34+2=18+1= 3+52= 20-10+3= 36+40= 38-6= 48+1= 2+9-6= 19+50= 26+3= 47-6= 15-6+3= 83-60= 19-9= 4+15= 14-6+8= 84-80= 12+6= 9+50= 12+6-8= 48-30= 75+3= 15-2= 13+7-6= 78+20= 5+42= 3+16= 18-5+6= 26+70= 38-8= 12+3-9= 3+7+8= 49+50 84+3= 12-9= 19-3+4= 80-40= 18-4= 16-8= 10-1+15= 36+40= 24+5= 2+8-6= 7+8-4= 55-50= 26+1= 17-6= 20-20+8= 42-40 7+31= 12-3= 52+30= 27+20= 32-2= 6-6+3= 42+50= 64-60= 2+33= 6+9= 28+60= 88-80= 8+20= 11-3= 36+20= 49-20= 18+2= 7+8-9= 50+50= 87-50= 14+5= 3+4+9= 90+8= 76+10 88+1= 11-7= 85+10= 76-70= 95+4= 4+8-3= 36-20= 42+25= 2+64= 12+3+5= 24+70= 21+12= 87-5= 6+9-5= 99-90= 84-33= 29-3= 9+3-2= 49-40= 36+42=46-30= 25+61= 46+5= 76-36= 27+32= 22+36= 63+8= 16+61= 76-25= 16+82= 36+14= 70+10-50= 42-25= 25+35= 20+38= 54+42-36= 68-53= 36+44= 4+27= 80-50+30= 36+12= 45+17= 45+29= 35+60-40-= 46+32= 28+23= 66+37= 90-50+34= 26-14= 66+27= 58+13= 34+15-36= 95-42= 58+43= 48+52= 25+23-12= 23+52= 42+19= 24+49= 76-36-20= 99-45= 39+25= 35+41= 30+8-20= 89+10= 37+19= 25+34= 58-26-10= 55-42= 26+14= 68+11= 44-6= 36+63= 17+25= 63-21= 32-9= 34+24= 67+23= 92+6= 43-4= 6+52= 35+47= 76+20= 37-9= 45+54= 34+48= 82+7= 41-3= 16+31= 16+14= 34+23= 45-6= 27-15= 15+75= 34+34= 62-3= 72+13= 78+13= 36+23= 35-9= 84+13= 38+56= 86+13= 76-8= 27+61= 74+26= 45+54= 78-9= 9+50= 29+16= 82-61= 24-6=72-6= 22+16= 46+8= 61-32= 67-8= 46+6= 48+9= 33-16= 89-5= 37+9= 6+48= 61-44= 84-6= 36+7= 40-23= 51-38= 67-9= 7+33= 82-37= 50-27= 26-9= 21+40= 97-40= 70-26= 74-7= 6+74= 76-18= 63-45= 54-6= 33+7= 63-48= 66-39= 76-7= 56+4= 30-27= 85-40= 75-8= 5+66= 53-25= 76-39= 85-6= 66+4= 32-25= 46-8= 48+3= 60-18= 76-9= 30+16= 66-23= 23-5= 59+1= 71-43= 67-8= 62+13= 90-27= 36-8= 53+8= 66-37= 23-9= 99+1= 62-54= 61-2= 7+85= 87-39= 34-8= 42+8= 72-49= 76+4= 5+66= 73-56= 4+58= 62+8= 52-33= 54+4= 18+6= 41-37= 5+36= 43+9= 42-33=