人教版二年級數(shù)學下冊口算

30+()=54x(40-32)=(29+27)+8=

5x()=302x8=50+4+4=

104-5=48+()=63x()=18

()x5=2028+()=424+()=3

9x()=819x(7-2)=6x()=12

()x9=3612+(14-11)=()x4=20

18+()=98x()=3236+(4+2)=

()x6=5435+()=7()x7=21

5x()=357+()=76x()=42

6x()=303x(48-41)=2x()=12

()xl=28+()=845+(0+5)=

36+()=69+()=98+()=8

()x6=369+64-2=()x1=5

9x(82-78)=54+(89-83)=1x3+41=

1x()=79x()=362x7-11=

(76-71)x2=35+(28-23)=18+()=3

8x()=649x(34-29)=7x()=35

(10+20)4-6=72+()=84x()=32

12+()=237-154-3=7x()=49

()xl=75x2=(69-60)4-3=

()x7=283x7=(5+2)+7=

40+()=544-4=()x7=35

5x()=30()x5=256x4=

9x()=3612+4x6=()x9=54

18+()=94x(68-64)=28+()=4

5x()=106x(25-18)=8x(84-81)=

(67-57)-?5=()x1=8()x3=15

5x4+12=8x6-32=12+()=3

14-i-2=6+()=648+()=6

49+7=40+()=835+()=5

81+()=98x()=405x4=

5x()=352x()=10(85-70)4-5=

72-i-8=204-5=5x()=35

5x()=209x()=2763-?(91-84)=

7x()=63()xl=640+(0+5)=

16+()=212+()=688+18+6=

43+644-8=1x()=6()x5=45

1x()=67x(74-66)=8x3-0=

75+14+2=()x8=3275-5x8=

16+()=84x()=12(1+15)4-2=

(94-49)-?9=244-(0+6)=4x8=

7+()=736+(66-57)=24+()=4

40-r()=879-28+7=24+3=

4x()=32(39+25)-?8=()x6=42

4x()=36()x9=6310+244-4=

2x()=163x()=634-3-0=

()x4=3672-3x7=(9+36)+9=

1x8=20+7x4=64+(3+5)=

9x()=454x()=168x6+38=

4x()=3216-7-4=6x()=42

16+(11-7)=12+()=6(93-51)4-7=

1x5=7x()=2884-2+15=

()x2=106x()=5445+24+3=

1"()=263+()=74x8=

8x()=24(67-32)4-7=()x9=18

63+()=7()x2=4(0+14)4-2=

36+()=45x()=35()x2=14

16+(3+1)=5x7=4x()=28

24-r8=48+()=627+()=3

35+()=564-6-0=91+124=

7x()=148x(96-94)=()x2=6

()x5=306+()=656+8+12=

4x()=2435+7=18+()=9

12+()=24x()=36()x4=16

10+()=2()x6=30104-()=2

()xl=61x()=92+()=2

1x()=68x7=3x5=

()x6=2445+9=6-r2=

()x3=15454-()=9()x3=6

24+6=404-8-0=2+()=2

8x7+26=24+()=654"?6-6=

40+8=()x8=2430+()=5

9x5+52=304-6=84-8=

49+()=736+4=6x5=

9+()=9(88-84)x8=9x8+1=

()x3=621-?3-1=4x3-11=

()x4=36(90-9)4-9=()x9=36

42+()=721-()=712+(68-65)=

56+(0+8)=()x1=83x()=6

16+()=430+()=524+3+7=

6x8=2x6=7-?(81-74)=

7x6+56=4x9=9x()=45

(10+8)4-2=184-()=3()x5=30

10-()=224+()=8()x6=42

3x()=212x()=1640+(2+6)=

2x(5+1)=(1+23)+3=6-T3=

(57-42)-?3=3x4+37=56+(69-61)=

16-?8+76=45+()=5(59-50)x9=

(44-39)-?5=2x()=627+3=

72+8=1x()=98x()=40

14+()=7(25+3)+7=274-()=9

81+()=9()x8=32()x3=24

8+(60-56)=()x3=1235+5-4=

21+3=30+()=545+()=9

18+()=97x()=211x8=

28+5x7=()x2=1012+()=3

20+()=54x()=12()x4=24

5x(84-82)=()x9=3635+(61-56)=

42+()=672+()=856+()=8

(86-37)-?7=9x5-38=5x()=45

15+()=336+()=66x(6+2)=

5x2-6=84-4=(0+8)x4=

7x2+47=(8+17)4-5=64-2=

104-(7-5)=(90-89)x9=9+()=3

2x(6+3)=46-64-2=4+()=4

7x()=6372+9=8+()=4

72+()=8()x7=421x()=9

(64-40)4-3=()x9=63()x7=35

12+()=4()x8=56()x8=72

18+()=3(46-37)x2=2x()=4

45+()=9124-6-0=4+()=4

5+()=56x8+47=8x()=16

2x8=()x2=1223+6x8=

()x3=158x()=322x()=6

7x4=484-()=6()x7=14

3x()=24124-(1+1)=()x7=56

24+()=4()x6=12()x5=30

()x6=36()x6=24(3+1)x2=

59+63+9=72+()=963+(98-89)=

18+()=330+()=6()x2=12

64+8=8x()=6432+(2+6)=

()x3=6(46-25)4-3=()x6=42

164-()=8404-(51-43)=()x5=20

54+(4+2)=1x()=235-5x7=

45+()=527+(78-75)=()x4=16

41+455=24+(82-76)=2+()=2

()x3=24()x9=36(59-58)x6=

63+()=726-35+5=35+()=7

25+(35-30)="()=46x9+4=

4x(0+5)=18+()=963+7+70=

6x(28-21)=28+()=7()x7=63

25+5+93=(84-3)+9=()x9=81

6x2=2x3=16+2+52=

72+(82-74)=94-154-5=16-?(1+1)=

3x()=158x4+5=5+()=5

(76-20)4-7=10+()=5()x5=45

1x6=(46-43)x5=51-7x3=

7x6+34=1x6=()x8=56

()x9=4525+5=32+()=8

1x()=956+()=854-5=

(95-53)4-6=6x()=3010+()=2

1x()=516+()=84x8=

3x()=155x()=35()x5=15

27+()=9(5+13)■?6=814-9-8=

()x9=54(61-19)4-7=()x1=9

48+(7+1)=56+(79-71)=54-5=

(66-3)+7=14+()=2()x9=18

4x()=363x(97-90)=18+()=6

94-9=6x()=127x()=35

()x3=996+6+2=3x()=9

40+8=()x4=2494-8x7=

18-?(1+2)=()x5=10(82-18)4-8=

1x()=4(67-49)+2=8x3+61=

36+6=81+()=98+8+24=

5x2=28+()=7(24+48)-i-8=

81+()=9()x3=96+()=2

36+()=945+()=96+()=6

5x()=4514+()=24+(0+4)=

()x9=454x(27-20)=10+()=5

6+()=6(5+3)x4=2x()=12

15+()=3(59-54)x3=()x9=54

(2+10)+4=28+72+8=2x4=

12-r4=1x7=()x8=24

()x3=27()x2=4(58+5)+7=

8+4+67=12+(74-68)=14+2+80=

48+()=85x()=2514-?(24-17)=

(79-15)-?8=(5+7)+2=48+()=6

16+()=215+()=5()x9=54

74-7+80=30+()=65+(3+2)=

44-(78-74)=9x()=72(60-6)4-6=

36-i-()=648+(69-63)=(5-1)x9=

(6+48)+9=3+()=336+()=9

()xl=3(48-6)-?6=1x9=

7x(81-75)=16+()=8()x9=54

72-494-7=9x()=183+()=3

18+6=9x2=4x()=24

8+()=22x()=187x6=

()x7=495+9-T3=9x()=36

54-r6+69=()x3=2127+()=3

(10+32)+6=(5+1)3=8x()=16

12+()=4()x2=612+()=4

76-3x3=3x(87-81)=8x()=72

3x8+5=()x8=4018+()=9

16-?(3+5)=4x()=285x3+40=

(25-19)x3=()x6=368x()=64

54+(3+3)=5+()=5()x4=32

42+()=79x5+40=2x()=4

9x8+1=48+(11-3)=56+()=8

22+7x3=()x5=3542+()=7

(60-28)-?8=48+()=63x9=

3x3+3=49+15+5=(55-54)x7=

16+()=22x7+13=()x4=8

36-r()=624+()=68+()=4

()x3=18()x7=28(94-76)+9=

9+()=98T(25-17)=35+(62-55)=

()x7=2124+3=36+()=4

6x2+5=(27+8)+7=8x(8+1)=

32+()=842+814-9=(48-44)x9=

(19+9)+7=()x9=45()x7=14

8x()=328-494-7=1x(1+2)=

2x()=148x()=16()x7=35

1x3=42+6=()x1=6

()x3=64x()=1649+7=

()xl=8()x2=165x()=25

6x5-11=3x(1+7)=2-?(42-40)=

4x()=367x()=143x()=21

48+()=821+()=330+()=6

()x9=2733+35+5=()x6=24

9+()=345+()=93+()=3

7x()=2156+()=712+()=2

10+(81-79)=6x()=249x3-16=

45+()=5()x4=3215+(1+2)=

3x()=1524+8=49+()=7

()x4=167x8+22=45-?5=

5x()=354+()=427+3=

6+6=()x5=2530+()=6

27+()=32x4=7x()=42

45+()=97x()=5628+4=

56+(5+3)=304-()=67x5=

48+()=624+()=3(6+15)4-3=

54+()=921-()=772+8=

7x4=()x6=1856+()=7

()xl=69x3+19=2x()=10

(5+4)x2=18-?(7-5)=(37+5)+7=

124-4=28+7=()x5=25

()x6=482+()=22x()=16

54+(4+5)=1x()=56x3=

(10+15)4-5=28+()=78x()=24

4x()=164x(59-50)=8x9=

6x()=36()x7=284x()=28

()x7=639x6=6x()=42

35+()=7()x8=641x5=

50+4x6=104-5=8x()=72

12+()=3(2+1)-?3=5x()=20

6x()=3693+124-6=(80-68)4-2=

()x4=8()x9=639+()=9

4x(57-54)=()x9=18()x3=9

6x(0+7)=(26-22)+4=22+18+6=

()x5=4040+(27-19)=()x4=28

32+4=84-4=21+(88-81)=

10+()=23x()=27(1+2)+3=

9x7+16=56+()=8(8+1)x4=

42+()=6(61-13)4-8=3x4=

2x(0+9)=14+()=72x3-5=

()x5=3025+(51-46)=6+()=6

84-2=28+9+9=8+()=2

()x4=890+404-8=28+()=4

()x6=363+()=336+6=

72+()=990+1x2=24-6+2=

8+(86-82)=45+()=528+4+40=

16+()=2(57-1)4-7=35+()=5

54+()=9(17+3)-?4=(35-31)x3=

12-i-6+94=6x()=3024-724-9=

9x()=541x()=44x8+49=

()x6=1218+6=30+5=

36-T6=42+1x6=1x(61-58)=

42+()=7()x1=65+6x9=

7x()=2127+()=915+()=5

21+()=318+()=356+()=8

16+()=86x2+57=45+9=

84-(25-23)="()=4()x4=24

184-9=2x()=416+()=4

8+()=472+8=49+()=7

()x8=56(8-6)x2=63+3x5=

21-2x8=()x5=301x()=6

7x()=146x5+16=5x7+14=

()xl=848+()=8()x5=30

49+()=742+()=681-284-7=

14-i-7=7x()=426-r6=

()x6=5437-4x7=32+()=4

40+()=53+()=3214-(2+1)=

7+()=7(6+3)x4=(7+2)x2=

404-()=58+()=44x()=20

(91-85)-?6=9x()=7235+7=

()x7=355x()=45()x9=18

4x(79-75)=64-2=()x5=40

()xl=614+()=727+9+79=

18+()=9()x3=99x8+16=

1x4=(0+8)x3=54+()=6

67-6+2=42+6=3x()=18

()x5=302x()=8(73-1)4-9=

(47-42)x8=104-(1+1)=1x()=7

9x(99-95)=94-3x9=35+()=7

2x2=72+()=856+36-r4=

21+56+7=40+()=84+()=2

2x(79-70)=()x4=3236+(0+9)=

36-i-()=62x()=181x()=2

42+9+9=20+()=472+()=9

(8+8)+4=18-i-6=(3+12)4-5=

10+()=210+()=248+()=8

79-104-2=()x3=1521+(71-68)=

6x8+30=4x3+70=189-1=

()xl=39x(73-66)=20+()=4

()x4=24(1+20)+3=40+()=5

4x5+59=4x3+41=(32+3)+5=

32+()=8()xl=254+()=6

24+()=61x(19-17)=7x(6-4)=

5x()=4521+()=71x(1+8)=

5x()=202x()=650+7x3=

1x(90-87)=()xl=245+()=9

()x2=6104-5=4x6+4=

63+()=92x()=1842+()=6

354-()=74x()=1679+36+4=

()x2=10(55+1)+8=()x7=56

63+(2+7)=3x2=20+5=

15+5=9x6=7x()=35

144-(1+6)=24-814-9=2x()=6

(4+4)x3=52-64+8=6x()=48

28-3x6=28+()=418+()=9

81+()=92x()=628+()=4

()xl=538-36-?9=()x3=21

24+()=34x()=3230+()=5

54-r()=6()x5=3532+4=

24+(60-54)=(49-14)-?5=5■?(1+4)=

2x(4+4)=64+(95-87)=()x9=72

()x5=3064+()=856+()=8

6x()=549+()=954-r9=

21+()=33x()=1845+()=9

1x()=41x()=39x(8-5)=

42+()=77x()=21(13+2)+5=

1”()=736+()=47x()=49

84-(5-3)=49+7=36-4x6=

6-r6=54+()=6164-(1+1)=

21+()=7()x7=6320-?5=

42+()=68x()=164x8+43=

63+()=9()x4=2886-9x8=

()x9=54()xl=24x(40-31)=

45+()=93+()=32x5=

()xl=37x(81-75)=2+()=2

10+()=5()x3=935-?5-4=

()X9=189+9+44=(77-74)x3=

44-2=84-2=2x3=

9x()=54()x6=1820+()=4

()x5=2518-?6=59-5x8=

83-94-9=70-42-?7=()x7=14

6x9+16=20+1x3=(12+12)-?4=

16+()=842+()=735+(23-18)=

8x()=4845+()=949+()=7

6x(77-75)=()x3=15()x2=12

8+()=4()x8=48(76-75)x2=

64+6+6=44=64+()=8

84-8=()xl=296-7x6=

5+()=554+()=66■?(68-62)=

24+8=(17+8)-?5=()xl=5

14+()=76x(93-84)=()x7=21

7x5=9+5x7=81■?(0+9)=

(80-76)x9=35-r(5+2)=()x2=14

54+()=94x()=36164-2-5=

24+()=840+(71-66)=3x()=12

7x5=4x()=327x()=63

24+()=628+()=7()x9=81

54-(53-48)=36■?9+88=32+()=4

4+()=218-j-()=92x(75-69)=

18+()=96-T(5+1)=48+6=

84-4-0=1X(0+2)=63+9=

84-4=9x8=(0+36)+4=

9x(32-26)=()x6=4284-8=

63+()=752+10+5=()x9=27

14+()=749+()=78x5=

4+()=454-T6=1x()=7

24-2=20+()=54x2-4=

64-3-0=72+(0+9)=4x()=16

5+()=5()x2=18()x9=27

14-?7-0=15+()=349-244-6=

8x()=56124-(0+4)=()xl=8

2x()=121x()=435+()=5

2x()=12()x4=881+9=

3x()=157x()=4932+(34-30)=

8x(37-32)=5x(52-43)=(7+2)+3=

6x()=488x()=1674-7=

49+()=7()x4=86x()=30

25+5=6x()=5421+()=3

(3+1)x3=()x3=9()x5=35

25+()=527+()=92x9=

5x()=2024+()=8(62-34)4-4=

()x4=125x()=1028+()=4

()x3=9(20-11)x4=40+()=5

54-(3+2)=25+5+47=724-8+41=

()x8=2421+()=328+()=7

()x2=121x