2021年人教版二年级数学下册口算专项

2021年人教版二年级数学下册口算专项

整百整十数退位减法

120-80=700-660=340-170=140-80=

640-80=510-20=830-180=540-90=

400-340=980-490=430-380=950-860=

520-380=940-470=200-70=420-260=

530-450=330-60=960-670=140-80=

630-180=450-90=220-60=500-250=

930-80=560-380=850-70=980-90=

640-80=600-70=760-290=210-30=

730-50=740-260=610-50=500-10=

270-190=430-370=770-690=500-30=

760-80=700-70=150-70=530-260=

800-10=630-540=800-80=650-70=

740-90=750-380=440-90=840-80=

740-50=140-70=910-850=820-130=

820-670=750-460=810-270=810-430=

620-80=710-70=830-190=830-750=

400-350=510-80=660-290=950-590=

850-90=930-380=920-30=900-280=

540-50=640-90=900-60=730-60=

400-260=880-90=470-190=970-680=

整十数进位加法

90+130=50+80=40+680=860+70=

890+90=604-350=80+850=704-80=

80+60=570+70=670+60=80+80=

40+90=30+80=50+80=590+80=

50+70=30+80=70+70=30+80=

90+640=80+860=80+660=480+60=

70+880=90+50=90+560=50+80=

50+90=80+270=70+60=404-170=

40+580=80+40=60+80=30+380=

50+90=830+80=680+90=290+80=

80+90=690+90=30+790=890+30=

60+90=70+790=704-640=30+80=

40+90=70+250=870+90=60+60=

40+90=80+40=90+90=804-90=

70+550=40+80=60+50=390+50=

70+80=30+90=280+50=804-30=

90+270=90+40=650+90=90+40=

60+80=890+70=80+540=50+890=

480+70=570+70=390+50=90+780=

70+590=40+470=90+60=280+70=

连乘连除综合

4X2X5=3X2X7=6X3X3=4X2X4=

4X3X2=1X2X9=04-24-5=81+9+9=

3+3+1=2X4X7=48+8+3=4X0X7=

364-6^-3=2X4X6=04-84-7=5X1X1=

0+4+9=54+6+3=644-84-4=3X0X1=

7X2X1=7X1X3=1X1X8=8X4X2=

24+3+4=2X0X8=20+5+2=36+6+3=

2X4X2=36^-64-2=9X2X3=1X4X8=

4X2X6=0+9+4=3X1X3=64+8+4=

124-2^-2=454-54-3=2X2X5=2X4X5=

2X2X9=20+4+5=48+8+3=45+5+3=

1X8X6=12+3+2=3X1X4=3X2X9=

6X2X4=3X3X7=54+9+3=48+6+8=

184-34-2=32・4+4=4X3X3=54・6+3=

724-84-3=42+7+6=64+8+4=32+4+4=

2X2X7=564-74-4=3X3X6=3X2X9=

8X3X2=2X3X9=2X2X5=54+9+1=

1X9X2=5X6X1=1X7X1=1X1X0=

364-64-1=5X3X2=164-44-2=1X2X5=

364-6^-2=1X9X8=1X9X8=2X3X9=

表内连除

164-2^-2=04-34-6=18・2+3=244-34-4=

24+4+3=18+3+2=42+7+2=54・9+3=

42+7+6=42+7+2=24+3+2=48+8+2=

724-84-1=56+7+2=814-94-3=04-64-4=

32・4+2=72+8+3=04-14-9=12+2+6=

40+5+4=30+5+2=04-14-4=48+6+2=

484-64-4=18+2+3=14+7+2=4+4+1=

6+3+1=72+9+2=

：：：：

64-34-2=544-64-3=2432=076=

：：

56+7+4=48+6+4=4273=56:77=

81+9+3=164-24-8=24:6:2=0*1=

30+5+2=32+4+2=48:6:4=42H3=

04-24-9=04-64-7=42+77=12s>3=

35+7+5=42+7+6=6:1:2=30:5:3=

：

24+4+3=544-94-2=06+8=274-34-1=

644-84-1=

04-54-3=04-34-5=12X7=

：：・

21+3+1=12+2+3=8193=324+4=

：：

45+5+9=04-64-6=36:6:2=6482=

表内连乘

2X2X7=4X2X8=5X4X2=7X1X8=

1X8X8=7X1X3=9X3X1=3X3X7=

1X0X1=1X3X3=3X3X8=3X3X4=

6X6X0=7X3X2=4X3X0=7X3X2=

4X7X1=9X0X2=6X2X0=5X1X4=

3X2X4=3X2X2=8X3X2=6X4X2=

8X4X2=9X3X2=8X2X3=3X3X8=

2X4X3=6X3X1=2X3X2=5X3X2=

3X2X7=5X4X2=1X7X5=1X5X6=

9X4X2=4X3X3=2X2X5=5X3X3=

9X0X4=7X3X3=2X4X2=7X2X3=

1X5X7=2X4X3=4X2X5=2X2X9=

8X4X2=2X3X6=3X3X7=2X4X4=

5X1X9=5X3X0=2X2X3=2X4X5=

2X1X1=5X1X3=8X7X0=9X2X4=

6X2X2=6X3X2=3X2X7=1X5X8=

3X2X8=6X1X3=4X5X1=5X1X0=

1X6X9=4X2X5=3X6X1=1X8X8=

8X2X2=2X0X2=4X4X2=2X3X6=

8X4X2=8X3X3=2X2X9=8X7X0=

5X0X3=3X2X6=2X5X0=3X2X8=

2X4X2=2X5X1=5X4X2=3X4X2=

4X1X9=9X3X2=8X3X1=9X2X3=

3X2X9=3X3X9=9X2X1=2X8X1=

2X3X6=1X1X0=1X9X1=9X0X6=

9X4X2=8X4X2=5X4X2=7X4X1=

2X4X7=9X2X2=3X8X1=1X4X9=

2X4X8=5X3X3=2X4X8=4X4X2=

3X3X4=9X3X3=2X2X2=6X2X0=

2X4X4=3X1X2=1X8X1=6X2X3=

二年级口算题1

16-2X7=91+85-26=2X2X2=2X9X8

3X8X8=24-1-0=50+2X8=14+11-

25=

9X5X5=90-81+2=85-83-1=8X6+79

64-2-2=96-2X4=52-1X5=4X244-4

19+6X6=5X6+82=1X3+63=77+66-

49=

5X704-10=254-5X9=204-5+37=63-16+

16=

4X7X7=80+5X7=51-30+5=9X404-

10=

45+91+29=72-254-5=7X5X0=604-6+

29=

4X3-0=0X4+62=36+69-16=51+37-

59=

73+24+3=1X8-7=3X0+48=6X4-19

46+91+80=604-10+99=124-2-2=5X4X7

71-9-48=96-44+68=93-7X4=284-4+

83=

124-4-2=4X4X2=7X904-9=97-7-

66=

604-6-7=8X274-9=814-94-1=104-1X8

304-10-1=76+57-79=37+1X5=90+9X7

324-24-2=104-1X7=95-57+44=53-4X1

4+4X8=34+4X4=5X16+8=92-6X2

22+32+97=9X364-9=8・8—0=1684-34-

7=

4X6-11=36+9+69=0+60-36=13+8X8

0X354-7=24-54-5=4X7+98=424-6-4

62-104-1=96-2X3=43+58-67=79-38+

40=

704-10X5=354-5+31=93-22+34=10-634-

9=

63-62-0=204-5—3=47-3X2=115-9X

5=

9X4-10=60+724-8=8X4-22=21-2X3

1X0-0=13+71+38=164-14-8=62-4X4

二年级口算2

6X6X3=18-634-7=59+74-70=100-2

Xl=

8X5+45=9X2-10=51-19-0=8X0+

49=

3X4X9=7X0+31=89-76-11=32+8X

6=

42+6X2=124-44-3=364-9X5=1444-6

4-4=

9X9-61=724-8-1=99-94-3=8X5-

14=

70-3+13=53-37-4=74+31-16=6X8+3

47-11-21=75+5X3=6X4+61=40+4—

5=

432+8+9=74-8X7=804-10-4=904-9X

5=

304-5+58=52+6X0=62+86+70=304-10

+65=

108+3+4=50—1+1=15-1-7=75+24

4-6=

8X2X7=4X5-19=28+30+94=23-0-

18=

54-1X5=124-44-3=3X7+68=11+86

-1=

724-9-1=78-814-9=29+9X2=64-1X4

26+93-52=0X6-0=59-304-10=20-2X

5=

87-7X7=22+35+5=98-47+0=62-32

4-4=

484-8-0=5X3+95=61+97-8=73-10

4-10=

8X3+89=1X0X9=80+15+52=18-12

4-2=

56+71-23=9+1+9=4+5X6=29-IX

2=

57-13-42=72-17-24=82-74+72=16+2义

0=

7+0+94=57+71-96=2704-64-5=164-4X

3=

38-7+69=4+1X9=84+424-6=91-37

+58=

124-4X2=4+52+51=102-4X6=2X94-9

38+804-8=86-73+1=8X9+72=1004-10

Xl=

28-2X8=48+43-21=244-8-1=214-74-

1=

79-73-4=204-10+18=56+51+18=1284-8

4-8=

二年级口算3

136-7X7=77-814-9=92-37-41=31+9X

8=

14+5X7=3X7+20=2104-74-3=16+76

—54=

98-39+47=124-34-1=49+25+81=27+91

-42=

113-5X3=504-5-4=68+1X9=83-8-

9=

724-8X6=32+96-33=2X7-0=89+93

-26=

66+14+79=22-21+43=4X14+7=58-6-

8=

66-9X4=1X6-4=424-7-1=20+21

4-7=

6+2+20=42+4X6=1924-64-8=12-8+

59=

28+0X2=9X9X6=65-3X9=89-16

—5=

9X0-0=3X5+33=37+154-3=69-56

+39=

35・5-2=1X94-9=19-1X5=61-41

-18=

21+7X8=1X304-6=36+0X5=724-64-

4=

30+69+53=47-16-22=1964-44-7=99+35

+31=

51+80+84=24+3X8=53+93-13=20+46

+62=

15-12+68=24-1X8=79-46-27=41-4X

7=

8X4+41=3X14-67=126-5X6=324-8X

8=

74-1+29=97+52-57=5X3-6=804-54-

4=

58+0X1=159-8X9=43+78-76=5X9X5

804-24-8=50-104-5=74-38-32=6X8+

27=

64-3-0=3X8X5=68-204-2=0X144-

7=

34-0X6=4X9X4=48-64-3=1X5X8

61-20-36=8X0+49=0X6+32=484-6-

0=

80+24-66=44-4—0=4X8+16=14-1-0

95-6X7=244-8-2=404-10-2=13+16

—24=

904-104-9=118-7X3=2X8-8=27+4X

5=

二年级口算4

14+66-52=42+0X2=13+58+61=77-13

-14=

9X244-4=6X8+75=71-304-10=90-94-

9=

5X32+8=48+74-1=9X6-12=77-12

4-3=

404-5-4=91-25-7=87+51-54=3X9X9

66+604-6=39-2-11=324-24-2=25+18

4-9=

3X8+33=34+804-8=83+49+12=6X5+

51=

704-74-10=67-4-56=58+204-4=274-34-

3=

60+93+42=1054-74-3=63-2X4=124-6-

1=

58—3+3=64-3+39=91+124-4=80-36

4-9=

604-34-5=90+11-34=51-274-3=4X5X9

23+48+66=6X6+88=144-7+36=54+9X

6=

9X24-1=64+3X8=10+78+3=80-1-

54=

76-0-40=45-11-28=0X6+72=244-4-

2=

84-2X5=724-14-9=2X3+64=19+5X

3=

78+82-59=23+104-10=84+95+74=83-57

-20=

74-7+8=18-11-6=2+8X8=86+6X

5=

644-8+0=404-10+17=46-544-6=29+49

4-7=

604-34-5=13+50+48=78-804-8=82+64

-18=

3-64-6=40-3+18=3+1-0=79-10

4-1=

1X4+92=2X94-3=184-6X7=2X2-0

74-14-7=21+564-8=24+4+3=84-2-0

56+8X7=404-10+68=88-68+8=60-54

+31=

65—36+4=62-4X2=60+33-16=47-25

+44=

36+10+65=4X9+4=9X2-4=50+5义

9=

1X214-3=64-6+91=284-14-7=544-6+

62=

二年级口算5

404-5-4=804-8-2=244-6-3=564-7-

7=

99+1X5=304-3X7=44-1X3=454-9—

4=

54-35-4=76+274-9=29+4X7=164-4X

4=

95+7X6=95+9+3=1X8+83=53+39

-2=

604-6+23=35+0X1=9X9-25=124-2X

6=

69-4X0=79+6+23=5X8-6=94+54-

1=

36-8-17=22+0X3=7X9-1=5+124-

3=

44+32-2=184-2X3=1X2+29=80+0X

6=

78+28+4=33+19+42=494-7X7=13-12

4-6=

58+6X3=137-8X6=47+144-2=0X5+

58=

16-6-2=9X1X1=61-50-7=8X274-

9=

59+82-0=164-2X4=62+80-79=144-7X

9=

76-39-10=65-40-2=8X74-1=484-8-

3=

35-4X0=4X1+15=71+7X7=5-364-

9=

84-8+13=60+71+65=99-8+81=46-24

-7=

97+19+88=39-32-3=4X5X2=51-6-

10=

60-11-40=79-9X8=404-5+82=24-1X6

76+92-40=9X8X4=77+79+57=8+40+

18=

96-164-8=648+9+9=92-24+67=4X6X1

0X144-2=90+184-3=214-7-0=284-4X

4=

75+7X2=53-17+46=96+31-97=2+81-

62=

97-0X8=364-6-1=101-2X5=7X1X9

1X1+99=92+80-10=10-24-2=51-39

—5=

14-1+52=87+8X1=84-8+16=284-7-

2=

304-5+58=52+6X0=62+86+70=304-10

+65=

二年级口算6

7+20+7=104-2+63=304-10+21=48-43

-0=

18+35+94=604-10-0=10+40-9=104-2+

60=

22-3X7=42+73+38=96-5X8=12-3X

2=

5X4+47=58-30+65=38-11-6=1X804-

8=

404-4-3=4X8-16=40+42-31=304-10

+79=

84-63+0=28+7X7=24-13+38=84+16

+5=

7X5-9=10—14+2=7X5X8=0X1+

71=

354-0X6=109-404-4=2+95+79=92+7-

97=

61-3X6=14+51-4=3X704-10=494-7+

52=

4X0+50=84-8-0=9X8+61=54-6X

8=

724-8X0=35+9X3=704-10X7=9X1+0

24・4—4=97-89+33=724-84-3=34-3X5

28+5X1=9X8+68=35+21+23=84+60

4-10=

13+40+87=304-3+42=42-44-1=83-13

-3=

46-3+20=89+124-2=3X6-5=27-3X

2=

404-10-1=81-5X2=69+12+46=3X4-9

78-20+63=304-6+26=22+71+26=9X0X7

69+69+74=120+3+8=65+7X3=1X6X6

57-33+45=64+8—0=6X6X0=40+2X

3=

23+82+92=76+21+3=4+8X6=43+30

4-10=

71-74-1=504-5+72=57+78+16=94+7X

5=

84-1+77=91-12+34=78+8X7=404-8-

4=

42・6—2=65-1+25=2X5X3=64+66

+3=

1804-104-3=98+32+44=304-10X9=33+2X

4=

84-8-0=87-42+75=80+50-1=89-1-

31=

二年级口算7

93-9+46=70+2+3=73-38-31=2X2X2

86-73+62=52+1X4=41-3X4=92+49

+82=

90-8X1=95+13+50=34+404-4=1X0+

52=

53+904-9=2X8X3=79+5X2=2X9X2

0X304-5=7X0-0=23+53+34=7X9+

28=

604-10X4=73-62-7=4X4-11=91+97

—69=

6-44-2=7X0+34=61-20+57=1X7+

16=

1X274-3=87-6X1=96+59+16=164-8-

1=

85-9X9=7X4-7=67-53+6=98+25

+32=

55-42+78=5X304-3=18-1X5=41+2X

4=

8X2+52=5X634-9=1X1-0=9X0X8

4X2-0=804-84-1=0X2X9=54-5+

34=

66+6X7=63+91+20=21-3+6=24+20

4-5=

9X1X4=8X2X7=604-44-5=65+64-

3=

1204-54-6=0X3X0=704-10X9=54-46

-2=

1804-104-3=98+32+44=304-10X9=33+2X

4=

84-8-0=87-42+75=80+50-1=89-1-

31=

53+60-85=90+41+2=40-10+11=8+99+

31=

704-74-10=67-4-56=58+204-4=274-34-

3=

60+93+42=1054-74-3=63-2X4=124-6-

1=

58—3+3=64-3+39=91+124-4=80-36

4-9=

70-3+13=53-37-4=74+31-16=6X8+3

47-11-21=75+5X3=6X4+61=404-4-

5=

4324-84-9=74-8X7=804-10-4=904-9X

5=

23+82+92=76+214-3=4+8X6=43+30

4-10=

二年级口算8

60-11-40=79-9X8=40+5+82=24-1X6

76+92-40=9X8X4=77+79+57=8+40+

18=

96-164-8=6484-94-9=92-24+67=4X6X1

0X144-2=90+184-3=214-7-0=28+4X

4=

75+7X2=53-17+46=96+31-97=2+81-

62=

4X2-0=804-84-1=0X2X9=54-5+

34=

66+6X7=63+91+20=21-3+6=24+20

4-5=

9X1X4=8X2X7=604-44-5=65+6+

3=

120+5+6=0X3X0=704-10X9=54-46

-2=

1804-104-3=98+32+44=304-10X9=33+2X

4=

84-8-0=87-42+75=80+50-1=89-1-

31=

24・4—4=97-89+33=724-84-3=34-3X5

16-2X7=91+85-26=2X2X2=2X9X8

3X8X8=24-1-0=50+2X8=14+11

-25=

9X5X5=90-81+2=85-83-1=8X6+

79=

6+2—2=96-2X4=52-1X5=4X24+

4=

19+6X6=5X6+82=1X3+63=77+66

-49=

5X704-10=254-5X9=204-5+37=63-16

+16=

4X7X7=80+5X7=51-30+5=9X404-

10=

45+91+29=72-254-5=7X5X0=604-6+

29=

4X3-0=0X4+62=36+69-16=51+37

—59=

73+24+3=1X8-7=3X0+48=6X4-

19=

604-34-5=13+50+48=78-804-8=82+64

-18=

3-64-6=40-3+18=34-1-0=79-10

4-1=

46+91+80=604-10+99=124-2-2=5X4X7

二年级口算9

604-6-7=8X274-9=814-94-1=104-1X

8=

304-10-1=76+57-79=37+1X5=90+9X

7=

324-24-2=104-1X7=95-57+44=53-4X

1