2020一年级数学下册口算练习题

1、数学一年级下册专项练习算练习223=12+ 16=238 =147=125 =8+15 =31 5 =24+7=16-8 =195 =9+14 =229 =19-8=14-9 =14- 14=249 =12-11 =25-6 =19-8 =22-14=35+7 =12+8 =14+6=14-9 =15+6 =18+10=17+9=50-3=60-23=30+ 16=35+16=42+ 38=5021 =35- 30=28+8 =36+20=37+ 7=57-8=8068=17+ 80=9+30 =71 9 =48+26=99 56=75- 35=39+5 =26- 13 =27+6 =548=

2、86+6 =24+39=468=7258 =69- 30=90 4=50-17=20+ 58=9648 =557=23+0=679 =95 6 =50-26=88 70=19+40=628 =7035 =49+4=424=6540=8030=25+ 9=34-8 =479 =61 2 =7950=7+33=9029 =4 + 60=12+50=2613=47+8=43+38 =29+2 =44+7 =46+ 5 =17+ 45 =25+7 =47+24 =332 =258 =50- 16 =9730 =367 =928 =9+38 =18+6 =19+9 =15+ 7=13+38=18+10=

3、22+ 16=38+7 =15+6=14+52=16-16=17+81 =13+69 =11+ 16=26+6 =12+7 =15+38=23+ 17=87 60=24- 16=32+45=16- 14=449 =33+ 8 =58- 20=62+17=47- 15=54+14=9849 =14+ 76=6817=73- 16=7033=34- 10 =48- 29=7243=75- 27=75+14=69+ 27 =90- 38=42+26=40+ 10=26+39=22 6 =93- 65=3924=47- 30=44+37=75+5 =34+ 62=7238=0+30=86 43=53

4、6 =33+9 =24+67=35- 27=6033=95 90=34+8 =25+18=44- 20=96+6 =47+35=26+ 45=100+ 0=100-40=38+14=90-13=91-9=35-17=33+25=50+15=24 45=44- 8=9040=80- 30=50 21 =3012=34+ 19=5325=34+ 37=90 44=55+9 =80- 47=9079=50+ 32=27+50=38 + 34=67+ 25=56+33=68+ 23=27+46=93 76=45- 28=7435=28+ 19=33+37=33+37=84- 35=21 + 73=44

5、+ 48=15+89=28 + 46=84- 37=73+8 =78- 69=76 49=77 48=29+ 18=25+16=13+ 76=45+37=45 37=45+ 36=18+7 9 =15 + 4 + 6 =17+65 =478 3 =8020+30=100 20- 40=90-50 20=871750=861750=989 70 =798 40 =43+ 13+ 43=52+22+8=35+37- 5=4818+5=8325+7=33+ 5+34 =44- 8 + 50 =8+ 33-5 =63+ 17 + 6 =489+44 =949 60 =24+24+9 =15+8+70

6、=76- 7+20=157 + 4 =42420=158 + 4 =12+6=29-7=33+2=3+40=15+4=23+5=37+1 =29-3=38-3=15-4=18-2=30+8=43+1 =86+2=70+3=30-2=72-2=66-4=39-2=20-9=53+5=35+2=39-4=8+50=20-1 =40+6=62+7=9-5=63+3=34-2=50-4=11+2=53-3=60+8=80-7=32+4=26-5=84+4=35-10=71+9=18-4=66+10=83-3=71+5=60-5=36+3=58+30=28-7=87-10=80-6=11+9=80-3=

7、95-4=64+3=98-4=25+7=62-2=83+5=83+10=10+8=56+20=64+6=65+3=15-3=30-3=32+6=29-7=35+2=3+4=25+4=43+5=87+10=9-3=48-30=95-40=81-2=60+8=39+10=76+10=70+30=68-9=43-8=52-4=47-8=48-9=40-2=27-9=32-4=41-2=38-9=50-8=63-9=37-8=56-20=88-9=75-9=92-3=42-7=71-6=58-10=20-1 =39-4=8+50=35+2=：53+5= i_ 25+4=36-5=1 84+4=1I52

8、-3=71+9=88-4=76+0=93-3=18+5=70-5= !56+20= :64+6=65+3=15-3=30-3=32+6=!ccr29-7=1135+2=173+4=25+4=43+5=ii87+10=1 139-3=48-30=195-40=81-2=h 1 i；cc c；60+8= " " ""i 39+10=i,76+10= i70+30=48-9=ii47-8=52-4=i43-8=L68-9=40-2=27-9=32-4=141-2=38-9=34-2=63+3=: 89-5=62+7=40+6=47-8=26-7=80-2=72-2=52-3=45-9=36-9=24-9=： 40-2=78-4=18-2=38-8=65-8=59-4=78+10=60-7=30+8=45-3=99-9=32+7=49-5=69-10=63-5=86-8=9