二年级数学下册口算练习800题

1、表内除法口算练习（二）21-7=15+ 5=10+ 2=24+ 3 =12 + 4=30+ 6=36+ 6=42+ 7 =16 + 4=40+ 5=63+ 9=36+ 9 =18-3=27+ 9=42+ 6=36+ 4 =24 + 4=25+ 5=8+ 4=21+ 3 =64 + 8=14+ 2=18+ 6=2+ 2 =6 +2 =12+ 3=2+ 1 =8+ 2 =20 + 5=4+ 1 =7+ 7=35+ 5 =24 + 8=48+ 8=14+ 7=9+ 3 =28 + 7=6+ 3=12+ 6=20+ 4 =56 + 7=16+ 8=72+ 8=6+1 =32 + 8=45+ 9=24+

2、 6=81+ 9 =56 + 8=45+ 5=12+ 2=18+ 9 =10-5=27+ 3=49+ 7=18+ 2 =32 + 4=40+ 8=4+ 4=15+ 3 =28 + 4=30+ 5=48+ 6=9+ 9 =16 + 2 =4+ 2=35+ 7=5+1 =72 + 9=63+ 7=54+ 6=32+ 4 =8 +8=56+ 8=7+ 1 =45+ 9 =35 + 7=30+ 5=36+ 6=72+ 8 =1 +1 =12+ 3=10+ 5=42+ 6 =21-3=14+ 7=24+ 8=18+ 3 =16 + 8=63+ 9=28+ 7=15+ 5 =12 + 6=6+ 3=8+

3、4=20+ 4 =48 + 8=24+ 6=5+ 5=35+ 5 =15 + 5=12-4=30 + 6=49 + 7=21 + 7=16+ 4=40+5=54 + 9=18 + 3=27+9=42+6=36 + 4=24 + 4=8 +1 =21 + 3=2+ 2=64 + 8=14-2=18+6=9 +1 =2 +1 =8+2=56+ 8=28 + 4=20 + 5=3 -1 =7 +7=25 + 5=48 + 8=14-7=9 +3=36+ 9=28 + 7=6+2=56+7=72 + 8=4 +1 =3+ 3=8+ 4=24+ 8=32 + 8=45+ 9=81 + 9=56+ 8=4

4、5 + 5=12-2=24+3=10+ 5=27 + 3=49+ 7=18+2=32+ 4=40 + 8=4 + 4=28+ 4=30 + 5=9 + 9=16+ 2=4 +2=35 + 7=5 +1 =72+ 9=63 +7=54 + 6=63 + 9=18+9=42 +7=8 +8=12 + 3=10 +2=6 + 6=45+ 5=36 + 6=6 -1 =24+3=16 + 8=12 + 6=18-9=6 +3=20 + 4=7 +1 =48+ 6=24+6=5 + 5=35 + 5=30+ 5=45+ 9=40+ 8=15 + 3=1+ 1 =24+8=14+ 7=18 + 2 =81

5、+ 9=56+ 8=36 + 9=12 + 2 =8+ 4=72+ 8=16+ 4=算练习（一）12-36 + 9=58+35+ 7=4X2+23=55+3X 9=22-20 + 5=66-6 2=4X4+2=50-9 X 3=83-25 5=32-8 2=8X4+29=15 + 5X8=58+3X 2=63 + 9X3=95-6 X 9=64 + 8+4=16+9X 6=30-3 X 4=73-7 + 1 =5X5-17=29+30 5=30 + 5+77=67+9X 3=43-9 X 4=12 +4X3=9 X 4+56=29+2 X 7=75+4 X 4=68-7 X 9=81-28+7

6、=16 +8-1 =279-3=27+5 X 1 =40 +8X9=61+35=67+7 +1 =87+142=65-162=30 +6X7=9 X 6-34=4 X9+6=45-5 X 9=8 X 3+38=79+40 +5=6 +2+30=98-9 X3=8 +4+48=17+4 X9=56+8X5=9 X8-15=242 +6+35=35 7+57=9 X 7-32=54 +9+37=24+12 2=9+3+63=7X5+7=2 X6+3=9X2 + 6=64+7 4=31-10 +2=7X8-21 =5X 7+58=8 8+9=39+40+ 8=9X3+27=15+ 5X 9=51-1

7、6 +4=12+3+4=82-4 X 7=3X 8+4=2 1-0=14+7+68=+ 1+41 =64 +8X6=1 X 7+88=32+8-1 =21+3+75=3 X7-12= 83-9 X9=40 +8-1 = 36+8 +1 =21 +7+49=427 2=7+4 X9= 77+328=189-1=95-497=72 +9X 8= 7 X 7+45=39-42 +7=63-243=7 X 8+42= 19+9 X2=25 +5X 8= 19+2 X8=8+4+2=24+3+28=45+15=42+ 6+77=算练习（二）38-72 + 9= 28 + (16-9)= (29+19)

8、+8=7X (11-6)=72 + (4 X2)= 25 + (31-26)= (27-15) +3= (77-14)7=48 (22-16)= (13-7)3=8 (21-19)= (51-11)5=63-24 3=(9-2)7=99-8 X 4=53-328=3X(6+3)=5X4-11 =2x(8-1)=61+46=9x9-66=(3+9)6=4 x(11-4)=6 X1 + 3=24+5x 6=80-6x 8=(9+0) x 6=(5-2) x 7=40+8X3=(10-3)X7=4 x (23-17)=79+567=89-9x 9=27+9X7=61-5X5=17+3X9=(4-1)

9、 X8=8 x(11-7)=65+122=(51-6)9=(9-5) x 8=35-4 X 7=(10+8)+9=5 X 7+56=2 X3+18=279-3=15+3+69=(19+9)7=287+57=3X 4+58=3X 4+29=44-21+3=x 8=28 (2+2)=27 (19-16)=65+2X 8=74+2X 9=77+49 7=6X(4+5)=42 + 7X6=28+16 4=8+(24-16)=6X(14-5)=28 -(11-4)=3X 5+38=42+6X4=(7-1)X9=9 X(13-5)= (38-2)+ 6=45-2 X 8= (5-2) X 3=89+15+

10、3=24+ (2+2)=(4+23)+ 3=8+1X5=12+6X9=54(4+5)=48+2 X 9=9 X7-11 =57+4 X 7=56+ (3+5)=49+16+8=31-12+6=8 X(11-5)=8+4+27=9 X4+6= (19+5)+8=7x(13-9)=9X2+51 =21+(24-17)=18+21+ 3=88+36+ 9=92-736-18 + 3=51-4x 9=15+(5+0)=(5+3)84-9 X 8=(8+1)x 5=(9-5)x 4=(9-1)4=X3=算练习(三)(2+6) X 7= 3x (11-4)= 49 + (13-6)= 8+(20-16)=

11、 (41+22) +7= (30-20) +5= 5 X (12-3)=8 X (18-9)= 15 + 3X4=(13-6) X5= (12-9) X8=4 (14-10)= 9X 1+83=16 + (11-9)= (29-15) +7=72 (16-7)= (21+3)3=28+3X 2=20 (2+3)= 84-8 X 2=(73-19)6=(11-6) X6= (54-0)9=24 4+47=5X7-24=(23+4)+9=7 X 1+36=6+3-2=729-7=19-355=355-7=70-6 X6=63-4 X6=8 X9+11 =(51-3)+8=5 X (6-0)=6 X

12、 2+39=3 X3+19=72+9+85= 78+2 X2=(50-8)+7=2 X3X8=32-7+1 =6+3X7=(8-5) X9= 6 x 2+68=54+6X5=17+12+3=96-3 X7=83-8 X9=70-4 X9=24+8+8=77+32 +4=6 +2X9= 87+27 +9=6 X3+ 2=14+7X8= 3 -(1+2)=49-6 X3=(9-6) X9= 40-5 X7=(4+3)X7=7 X 4+64=18 +3X7=36+6+29=60-18+9=7 X (2-2)=(18-9) X5=5 X(11-3)=15+3+ 5=9 x 12-4=8 X5-3=30

13、+6X4=62-2X7=49+7+35=54+9+28=82-3 X8=7 X (5-5)= 40+5X7=48+6X5=2X6+4=43-10+2=42-(2+4)=33-30+5=7X (5+4)=72-15+5=61-9 X5=84-45+9=94-9X6=4 x(10-1)=40+8X3=20+4X3=(60-12)+8=9 X 9-45=4X2X5=(6+8)+7=5 X 5+26=12+4X6=6-(2+1)=(7+9)+8=口算练习（四）36 + (19-13)= (36-0) +6= 11+8X 7= 27 + (10-7)=24 + 3+23= (6+6) + 3= (19+

14、9) +7=5 X (13-4)= 18 (24-18)= 14 (2-0)= (14+16) +6=49 + 7X7=20 4+77= 77-3 X 5= (16+19) +5= 30 (21-16)=25 (22-17)= 5X5+16= (2-1) X9= 4X9+14=24 (2+6)= (13+17) +6=5X5-14=10 (17-12)=32 (18-14)=64+244=2415(8-1)(14+2)481836(23+25)6=405-5=(13-4)=(5+1)=(2+3)=6=9-12=8=(9-3)=9+48=(5+4)=38+366=(17+1)26+56286=7

15、=21+9 X8=24(33+3)(3+9)92-7(5+7)(7-1)42(18 6)=+ 8X2=9 6=9=6=5=4=4=1+18=(5+1)=(6+9)5=284+43=48+244=(6+10)+4=9 x 8+69=78+8 x 6=72-5 X 9=9 x(17-8)=(44-8)4=(20+5)5=68+217=90-9 x 9=8 x(13-8)=(2+16)3=4 x (9-0)=89+31=54-6419+67=3686-672-20(7+2)16(1+8)17+31681-274978+38-21=6+21=(12-6)=(66+15)91-927-2(37-7)(5

16、+2)8=8=9=9=5=7=6+34=9=4=3=4+67=6=2=2-8=9=7+39=6-23=6=(5+4)=5-7=(3-0)=6-5=3+37=45+71=81-94=275+37=3-4=9+69=口算练习（五）3X9=( )325 + ( )=5()27 + (尸322 3=( )( )24 + (尸3143X6=()()()X 7=28()2 7=( )( )32 + ( )=4818 8=( )1427 + ( )=387 9=( )( )6 9=( )365 ( )=25( )6 8=( )( )64 + ( )=8()6 9=( )364 6=( )( )()+2=3(

17、)5 8=()()48 + ( )=8()98=()()72=()9()X9=183010 + ( )=26( )=35X6=126=( )+ 2=2X7=217=( )( )=65=( )+ ()=46=5( )=57=( )3=87=( )X( )=18( )=3( )=28( )=5X9=81+ ()=4X3=12X4=36+ 8=7+ ()=56=( )( )=985=20( )( )=105+ 9=120+ ()=25+ 5=4()+ 3=1()+ 8=5()+ (尸945+ (尸2125=( )( )+ 4=118+ ()=6()+ 8=2()X 9=36()X4=32()+ ()

18、=4()X 9=45()X 5=256X 7=56()+ 7=35+ 8=712( )=18+ ()=5()8=( )40( )=45+ 5=2()( )=401+ ()=5()6=( ) ( )+ 4=12X 9=452X 9=273+ (尸528+ ()=4()5=91( )=96X9=63()+ 6=77X5=156+ 1 = 169=575=415( )=48( )X3=21166=( ) ( )+ ()=3()( )=2( )X 7=3525+ ()=82口算练习（六）45 + (尸5 5X( )=30()X 6=30 ()-44=138X6=() 45 + (尸58X7=() 8 ( )=16 64 + (尸8 91-(尸82 30 + (尸6( )-12=51 4 ( )=20 7+( )=1 35 + (尸5 ( )-77=22()X 5=40()X 6=48 29+(尸60()X 7=42 8X8=()