小学四年级递等式计算300道，越多越好，高分！！！

1.3/7×49/9-4/3

2.8/9×15/36+1/27

3.12×5/6–2/9×3

4.8×5/4+1/4

5.6÷3/8–3/8÷6

6.4/7×5/9+3/7×5/9

7.5/2-（3/2+4/5）

8.7/8+（1/8+1/9）

9.9×5/6+5/6

10.3/4×8/9-1/3

11.7×5/49+3/14

12.6×（1/2+2/3）

13.8×4/5+8×11/5

14.31×5/6–5/6

15.9/7-（2/7–10/21）

16.5/9×18–14×2/7

17.4/5×25/16+2/3×3/4

18.14×8/7–5/6×12/15

19.17/32–3/4×9/24

20.3×2/9+1/3

21.5/7×3/25+3/7

22.3/14××2/3+1/6

23.1/5×2/3+5/6

24.9/22+1/11÷1/2

25.5/3×11/5+4/3

26.45×2/3+1/3×15

27.7/19+12/19×5/6

28.1/4+3/4÷2/3

29.8/7×21/16+1/2

30.101×1/5–1/5×21

31.50＋160÷40（58+370）÷（64-45）

32.120-144÷18+35

33.347+45×2-4160÷52

34（58+37）÷（64-9×5）

35.95÷（64-45）

36.178-145÷5×6+42420+580-64×21÷28

37.812-700÷（9+31×11）（136+64）×（65-345÷23）

38.85+14×（14+208÷26）

39.（284+16）×（512-8208÷18）

40.120-36×4÷18+35

41.（58+37）÷（64-9×5）

42.(6.8-6.8×0.55)÷8.5

43.0.12×4.8÷0.12×4.8

44.（3.2×1.5+2.5）÷1.6（2）3.2×（1.5+2.5）÷1.6

45.6-1.6÷4=5.38+7.85-5.37=

46.7.2÷0.8-1.2×5=6-1.19×3-0.43=

47.6.5×（4.8-1.2×4）=0.68×1.9+0.32×1.9

48.10.15-10.75×0.4-5.7

49.5.8×（3.87-0.13）+4.2×3.74

50.32.52-（6+9.728÷3.2）×2.5

1.3/7×49/9-4/3

2.8/9×15/36+1/27

3.12×5/6–2/9×3

4.8×5/4+1/4

5.6÷3/8–3/8÷6

6.4/7×5/9+3/7×5/9

7.5/2-（3/2+4/5）

8.7/8+（1/8+1/9）

9.9×5/6+5/6

10.3/4×8/9-1/3

11.7×5/49+3/14

12.6×（1/2+2/3）

13.8×4/5+8×11/5

14.31×5/6–5/6

15.9/7-（2/7–10/21）

16.5/9×18–14×2/7

17.4/5×25/16+2/3×3/4

18.14×8/7–5/6×12/15

19.17/32–3/4×9/24

20.3×2/9+1/3

21.5/7×3/25+3/7

22.3/14××2/3+1/6

23.1/5×2/3+5/6

24.9/22+1/11÷1/2

25.5/3×11/5+4/3

26.45×2/3+1/3×15

27.7/19+12/19×5/6

28.1/4+3/4÷2/3

29.8/7×21/16+1/2

30.101×1/5–1/5×21

31.50＋160÷40

32.120-144÷18+35

33.347+45×2-4160÷52

34.（58+37）÷（64-9×5）

35.95÷（64-45）

36.178-145÷5×6+42

37.812-700÷（9+31×11）

38.85+14×（14+208÷26）

39.（284+16）×（512-8208÷18）

40.120-36×4÷18+35

41.（58+37）÷（64-9×5）

42.(6.8-6.8×0.55)÷8.5

43.0.12×4.8÷0.12×4.8

44.（3.2×1.5+2.5）÷1.6（2）3.2×（1.5+2.5）÷1.6

45.5.38+7.85-5.37

46.7.2÷0.8-1.2×5

47.6.5×（4.8-1.2×4）

48.10.15-10.75×0.4-5.7

49.5.8×（3.87-0.13）+4.2×3.74

50.32.52-（6+9.728÷3.2）×2.5

51.（136+64）×（65-345÷23）

52.420+580-64×21÷28

53.（58+370）÷（64-45）

54.6-1.19×3-0.43

55.0.68×1.9+0.32×1.9

1.(25%-695%-12%)*36

2.3/4*3/5+3/4*2/5

3.(1-1/4+8/9)/7/9

42/3+1/6/3/24+2/21

51*8/15*3/5

610-3/4/9/10-1/6

7[(1/3+1/2)/5/6-1/3]/1/7

82/3/5+3/5/2+3/4

91/[(2-2/3/1/2)]*2/5

103^2*3.25678

113^3-5

124^2-34%

133.25-315%

147^3+445%

1512+5268.32-2569

16123+456-52*8

1745%+6325

181/2+1/3+1/4

19789+456-78

2045%+54%-36%

1.3/7×49/9-4/3

2.8/9×15/36+1/27

3.12×5/6–2/9×3

4.8×5/4+1/4

5.6÷3/8–3/8÷6

6.4/7×5/9+3/7×5/9

7.5/2-（3/2+4/5）

8.7/8+（1/8+1/9）

9.9×5/6+5/6

10.3/4×8/9-1/3

0.12χ＋1.8×0.9=7.2(9－5χ)×0.3=1.026.4χ-χ=28+4.4

11.7×5/49+3/14

12.6×（1/2+2/3）

13.8×4/5+8×11/5

14.31×5/6–5/6

15.9/7-（2/7–10/21）

16.5/9×18–14×2/7

17.4/5×25/16+2/3×3/4

18.14×8/7–5/6×12/15

19.17/32–3/4×9/24

20.3×2/9+1/3

21.5/7×3/25+3/7

22.3/14××2/3+1/6

23.1/5×2/3+5/6

24.9/22+1/11÷1/2

25.5/3×11/5+4/3

26.45×2/3+1/3×15

27.7/19+12/19×5/6

28.1/4+3/4÷2/3

29.8/7×21/16+1/2

30.101×1/5–1/5×21

31.50＋160÷40（58+370）÷（64-45）

32.120-144÷18+35

33.347+45×2-4160÷52

34（58+37）÷（64-9×5）

35.95÷（64-45）

36.178-145÷5×6+42420+580-64×21÷28

37.812-700÷（9+31×11）（136+64）×（65-345÷23）

38.85+14×（14+208÷26）

39.（284+16）×（512-8208÷18）

40.120-36×4÷18+35

41.（58+37）÷（64-9×5）

42.(6.8-6.8×0.55)÷8.5

43.0.12×4.8÷0.12×4.8

44.（3.2×1.5+2.5）÷1.6（2）3.2×（1.5+2.5）÷1.6

45.6-1.6÷4=5.38+7.85-5.37=

46.7.2÷0.8-1.2×5=6-1.19×3-0.43=

47.6.5×（4.8-1.2×4）=0.68×1.9+0.32×1.9

48.10.15-10.75×0.4-5.7

49.5.8×（3.87-0.13）+4.2×3.74

50.32.52-（6+9.728÷3.2）×2.5

5.6×2.9

3.77×1.8

0.02×96

5.22×0.3

9.99×0.02

4.67×0.9

5×2.44

1.666×6.1

9.432×0.002

5.6×6.5

4.88×2.9

5.61×4.3

8.9×2.4

5.5×55

9.77×0.02

1.384×5.1

8.78×83

2.6×61

0.059×0.2

4.268×1.7

57×5.7

9.46×2.85

17.8×6.4

1.5×4.9

2.5×0.88

5.555×5.2

2.22×3.33

7.658×85

36.02×0.3

3×0.2×0.5=

2.8×0.7×0.5=

【2.5+0.9】×0.4=

0.25×16=

7×1.6+7×0.4=

8×【2.5+0.25】=

8.4×0.2+1.6×0.2=

1.340÷5+340÷5

2.55×101-55+16×25

3.8421-277-623+579

4.（364-456）-（544-636）

5.62×4+44×5+5×18

6.6200÷124

7.（7500÷15）÷（25×2）

8.3400-62×34-38×20-38×14

720+270）÷55-120÷24

=990÷55-120÷(12×2)

=990÷110×2-120÷12÷2

=9×2-10÷2

=18-5

=13

（63+480÷16）-29

=（63+30×16÷16）-29

=63+30-30+1

=64

13.67-2.97+25.8

=13.67-3+0.03+25.8

=10.67+0.03+25.8

=10.7+25.8

=36.5

7.06-2.78+13.78

=7.06+13.78-2.78

=7.06-（13.78-2.78）

=7.06+11

=18.06

0.64×25×7.8+2.2

=0.16*4*25*7.8+2.2

=0.16*100*7.8+2.2

=16*7.8+2.2

=127

2÷2.5+2.5÷2

=4/5+5/4

=2.05

194－64.8÷1.8×0.9

=194-36*0.9

=194-32.4

=161.6

36.72÷4.25×9.9

=8.64*9.9

=85.536

5180－705×6

=5180-4230

=950

24÷2.4－2.5×0.8

=10-2

=8

(4121+2389)÷7

=6510/7

=930

671×15-974

=10065-974

=9091

469×12+1492

=5628+1492

=7120

405×(3213-3189)

=405*24

=9720

1）、0.36x1.5x0.4=0.4x5x0.36x0.3=2x0.108=0.216

2)、0.05x3.2x40=0.05x40x3.2=2x3.2=6.4

3)、3.78x0.5-0.65=3.78x0.5-1.3x0.5=(3.78-1.3)x0.5=2.48x0.5=1.24

4)、13.4x0.24+3.98=13.4x0.6x0.4+3.98=8.04x0.4+3.98=3.216+3.98=7.196

5)、3.8x41-3.8=3.8x(41-1)=3.8x40=152

6)、0.3x2.5x0.4=0.3x1=0.3

7)、0.78x101=0.78x100+0.78x1=78+0.78=78.78

8)、1.2x2.5+0.8x2.5=(1.2+0.8)x2.5=2x2.5=5

9)、9.8x25=10x25-0.2x25=250-5=245

10)、0.8x630x0.125=0.8x0.125x630=0.1x630=63

11)、198x0.51=200x0.51-2x0.51=102-1.02=100.98

12)、2.5x3.7+6.3x2.5=(3.7+6.3)x2.5=10x2.5=25

(45-17)+(9-3)=28+6=34,

(45-17)+(9-6)=28+3=31,

(45-18)+(9-3)=27+6=33

(45-18)+(9-6)=27+3=30,

(45-27)+(9-3)=18+6=24,

(45-27)+(9-6)=18+3=21

(45-28)+(9-3)=17+6=23,

(45-28)+(9-6)=17+3=20,

(46-17)+(8-3)=29+5=34

(46-17)+(8-5)=29+3=32,

(46-19)+(8-3)=27+5=32,

(46-19)+(8-5)=27+3=30

(46-27)+(8-3)=19+5=24,

(46-27)+(8-5)=19+3=22,

(46-29)+(8-3)=17+5=22

(46-29)+(8-5)=17+3=20,

(54-16)+(9-2)=38+7=45,

(54-16)+(9-7)=38+2=40

(54-18)+(9-2)=36+7=43,

(54-18)+(9-7)=36+2=38,

(54-36)+(9-2)=18+7=25

(54-36)+(9-7)=18+2=20,

(54-38)+(9-2)=16+7=23,

(54-38)+(9-7)=16+2=18

(57-18)+(6-2)=39+4=43,

(57-18)+(6-4)=39+2=41,

(57-19)+(6-2)=38+4=42

(57-19)+(6-4)=38+2=40,

(57-38)+(6-2)=19+4=23,

(57-38)+(6-4)=19+2=21

(57-39)+(6-2)=18+4=22,

(57-39)+(6-4)=18+2=20,

(63-15)+(9-2)=48+7=55

(63-15)+(9-7)=48+2=50,

(63-18)+(9-2)=45+7=52,

(63-18)+(9-7)=45+2=47

(63-45)+(9-2)=18+7=25,

(63-45)+(9-7)=18+2=20,

(63-48)+(9-2)=15+7=22

(63-48)+(9-7)=15+2=17,

(64-25)+(8-1)=39+7=46,

(64-25)+(8-7)=39+1=40

(64-29)+(8-1)=35+7=42,

(64-29)+(8-7)=35+1=36,

(64-35)+(8-1)=29+7=36

(64-35)+(8-7)=29+1=30,

(64-39)+(8-1)=25+7=32,

(64-39)+(8-7)=25+1=26

(67-18)+(5-2)=49+3=52,

(67-18)+(5-3)=49+2=51,

(67-19)+(5-2)=48+3=51

(67-19)+(5-3)=48+2=50,

(67-28)+(5-1)=39+4=43,

(67-28)+(5-4)=39+1=40

(67-29)+(5-1)=38+4=42,

(67-29)+(5-4)=38+1=39,

(67-38)+(5-1)=29+4=33

(67-38)+(5-4)=29+1=30,

(67-39)+(5-1)=28+4=32,

(67-39)+(5-4)=28+1=29

(67-48)+(5-2)=19+3=22,

(67-48)+(5-3)=19+2=21,

(67-49)+(5-2)=18+3=21

(67-49)+(5-3)=18+2=20,

(72-14)+(9-3)=58+6=64,

(72-14)+(9-6)=58+3=61

(72-18)+(9-3)=54+6=60,

(72-18)+(9-6)=54+3=57,

(72-54)+(9-3)=18+6=24

(72-54)+(9-6)=18+3=21,

(72-58)+(9-3)=14+6=20,

(72-58)+(9-6)=14+3=17

(73-14)+(8-2)=59+6=65,

(73-14)+(8-6)=59+2=61,

(73-19)+(8-2)=54+6=60

(73-19)+(8-6)=54+2=56,

(73-54)+(8-2)=19+6=25,

(73-54)+(8-6)=19+2=21

(73-59)+(8-2)=14+6=20,

(73-59)+(8-6)=14+2=16,

(81-24)+(9-3)=57+6=63

(81-24)+(9-6)=57+3=60,

(81-27)+(9-3)=54+6=60,

(81-27)+(9-6)=54+3=57

(81-35)+(9-2)=46+7=53,

(81-35)+(9-7)=46+2=48,

(81-36)+(9-2)=45+7=52

(81-36)+(9-7)=45+2=47,

(81-45)+(9-2)=36+7=43,

(81-45)+(9-7)=36+2=38

(81-46)+(9-2)=35+7=42,

(81-46)+(9-7)=35+2=37,

(81-54)+(9-3)=27+6=33

(81-54)+(9-6)=27+3=30,

(81-57)+(9-3)=24+6=30,

(81-57)+(9-6)=24+3=27

(83-14)+(7-2)=69+5=74,

(83-14)+(7-5)=69+2=71,

(83-19)+(7-2)=64+5=69

(83-19)+(7-5)=64+2=66,

(83-24)+(7-1)=59+6=65,

(83-24)+(7-6)=59+1=60

(83-29)+(7-1)=54+6=60,

(83-29)+(7-6)=54+1=55,

(83-54)+(7-1)=29+6=35

(83-54)+(7-6)=29+1=30,

(83-59)+(7-1)=24+6=30,

(83-59)+(7-6)=24+1=25

(83-64)+(7-2)=19+5=24,

(83-64)+(7-5)=19+2=21,

(83-69)+(7-2)=14+5=19

(83-69)+(7-5)=14+2=16,

(86-27)+(4-1)=59+3=62,

(86-27)+(4-3)=59+1=60

(86-29)+(4-1)=57+3=60,

(86-29)+(4-3)=57+1=58,

(86-57)+(4-1)=29+3=32

(86-57)+(4-3)=29+1=30,

(86-59)+(4-1)=27+3=30,

(86-59)+(4-3)=27+1=28

(91-24)+(8-3)=67+5=72,

(91-24)+(8-5)=67+3=70,

(91-27)+(8-3)=64+5=69

(91-27)+(8-5)=64+3=67,

(91-34)+(8-2)=57+6=63,

(91-34)+(8-6)=57+2=59

(91-37)+(8-2)=54+6=60,

(91-37)+(8-6)=54+2=56,

(91-54)+(8-2)=37+6=43

(91-54)+(8-6)=37+2=39,

(91-57)+(8-2)=34+6=40,

(91-57)+(8-6)=34+2=36

(91-64)+(8-3)=27+5=32,

(91-64)+(8-5)=27+3=30,

(91-67)+(8-3)=24+5=29

(91-67)+(8-5)=24+3=27,

(92-34)+(7-1)=58+6=64,

(92-34)+(7-6)=58+1=59

(92-38)+(7-1)=54+6=60,

(92-38)+(7-6)=54+1=55,

(92-54)+(7-1)=38+6=44

(92-54)+(7-6)=38+1=39,

(92-58)+(7-1)=34+6=40,

(92-58)+(7-6)=34+1=35

(93-15)+(6-2)=78+4=82,

(93-15)+(6-4)=78+2=80,

(93-18)+(6-2)=75+4=79

(93-18)+(6-4)=75+2=77,

(93-75)+(6-2)=18+4=22,

(93-75)+(6-4)=18+2=20

(93-78)+(6-2)=15+4=19,

(93-78)+(6-4)=15+2=17,

(94-16)+(5-2)=78+3=81

(94-16)+(5-3)=78+2=80,

(94-18)+(5-2)=76+3=79,

(94-18)+(5-3)=76+2=78

(94-76)+(5-2)=18+3=21,

(94-76)+(5-3)=18+2=20,

(94-78)+(5-2)=16+3=19

(94-78)+(5-3)=16+2=18,

(95-27)+(4-1)=68+3=71,

(95-27)+(4-3)=68+1=69

(95-28)+(4-1)=67+3=70,

(95-28)+(4-3)=67+1=68,

(95-67)+(4-1)=28+3=31

(95-67)+(4-3)=28+1=29,

(95-68)+(4-1)=27+3=30,

(95-68)+(4-3)=27+1=28

1.3/7×49/9-4/3

2.8/9×15/36+1/27

3.12×5/6–2/9×3

4.8×5/4+1/4

5.6÷3/8–3/8÷6

6.4/7×5/9+3/7×5/9

7.5/2-（3/2+4/5）

8.7/8+（1/8+1/9）

9.9×5/6+5/6

10.3/4×8/9-1/3

0.12χ＋1.8×0.9=7.2(9－5χ)×0.3=1.026.4χ-χ=28+4.4

11.7×5/49+3/14

12.6×（1/2+2/3）

13.8×4/5+8×11/5

14.31×5/6–5/6

15.9/7-（2/7–10/21）

16.5/9×18–14×2/7

17.4/5×25/16+2/3×3/4

18.14×8/7–5/6×12/15

19.17/32–3/4×9/24

20.3×2/9+1/3

21.5/7×3/25+3/7

22.3/14××2/3+1/6

23.1/5×2/3+5/6

24.9/22+1/11÷1/2

25.5/3×11/5+4/3

26.45×2/3+1/3×15

27.7/19+12/19×5/6

28.1/4+3/4÷2/3

29.8/7×21/16+1/2

30.101×1/5–1/5×21

31.50＋160÷40（58+370）÷（64-45）

32.120-144÷18+35

33.347+45×2-4160÷52

34（58+37）÷（64-9×5）

35.95÷（64-45）

36.178-145÷5×6+42420+580-64×21÷28

37.812-700÷（9+31×11）（136+64）×（65-345÷23）

38.85+14×（14+208÷26）

39.（284+16）×（512-8208÷18）

40.120-36×4÷18+35

41.（58+37）÷（64-9×5）

42.(6.8-6.8×0.55)÷8.5

43.0.12×4.8÷0.12×4.8

44.（3.2×1.5+2.5）÷1.6（2）3.2×（1.5+2.5）÷1.6

45.6-1.6÷4=5.38+7.85-5.37=

46.7.2÷0.8-1.2×5=6-1.19×3-0.43=

47.6.5×（4.8-1.2×4）=0.68×1.9+0.32×1.9

48.10.15-10.75×0.4-5.7

49.5.8×（3.87-0.13）+4.2×3.74

50.32.52-（6+9.728÷3.2）×2.5