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Find 500 intersections and elementary arithmetic problems (with scores)
1. 10-5.4=

2.4÷20=

3.5×200=

4. 1.5-0.06=

5.0.75÷ 15=

6.0.4×0.8=

7.4×0.25=

8.0.36+ 1.54=

9. 1.0 1×99=

10.420÷35=

1 1.25× 12=

12. 135÷0.5=

13.3/4 + 1/4 =

14.2 + 4/9 =

15.3 - 2/3 =

16.3/4 - 1/2=

17. 1/6 + 1/2 - 1/6 =

18.7.5-(2.5+3.8)=

19.7/8 + 3/8 =

20.3/ 10 + 1/5 =

2 1.4/5 - 7/ 10 =

22.2 - 1/6 - 1/3 =

23.0.5 1÷ 17=

24.32.8+ 19=

25.5.2÷ 1.3=

26. 1.6×0.4=

Recursive calculation

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

1 1.7 × 5/49 + 3/ 14

12.6 ×( 1/2 + 2/3 )

13.8 × 4/5 + 8 × 1 1/5

14.3 1 × 5/6 – 5/6

15.9/7 - ( 2/7 – 10/2 1 )

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

2 1.5/7 × 3/25 + 3/7

22.3/ 14 ×× 2/3 + 1/6

23. 1/5 × 2/3 + 5/6

24.9/22 + 1/ 1 1 ÷ 1/2

25.5/3 × 1 1/5 + 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 × 2 1/ 16 + 1/2

30. 10 1 × 1/5 – 1/5 × 2 1

3 1.50+ 160÷40 (58+370)÷(64-45)

32. 120- 144÷ 18+35

33.347+45×2-4 160÷52

34(58+37)÷(64-9×5)

35.95÷(64-45)

36. 178- 145÷5×6+42 420+580-64×2 1÷28

37.8 12-700÷(9+3 1× 1 1) ( 136+64)×(65-345÷23)

38.85+ 14×( 14+208÷26)

39.(284+ 16)×(5 12-8208÷ 18)

40. 120-36×4÷ 18+35

4 1.(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 1.2÷2.5+2.5÷2

52. 194-64.8÷ 1.8×0.9

53.36.72÷4.25×9.9

54.5 180-705×6

55.24÷2.4-2.5×0.8

56.(4 12 1+2389)÷7

57.67 1× 15-974

58.469× 12+ 1492

59.405×(32 13-3 189)

60.3.4 16÷(0.0 16×35)

6 1.0.8×[( 10-6.76)÷ 1.2]

62. 19.4×6. 1×2.3 5.67×0.2-0.62

63. 18. 1×0.92+3.93 0.0430.24+0.875

64.0.4×0.7×0.25 0.75× 102 100-56.23

65.0.78+5.436+ 1 4.07×0.86+9. 12.5

Simple operation

1. 1-2+3-4+5-6+7-8+9- 10+ 1 1- 12+................+2003-2004+2005-2006+2007

= 1+(3-2)+(5-4)+.........+(2007-2006)

= 1+(2007- 1)/2

= 1005

2、480+325+75

=480+(325+75)

=480+400

=880

3、295- 128-72

=295+( 128+72)

=295+200

=495

4、43×25×4

=43×(25×4)

=43× 100

=4300

5、 102×43

=( 100+2)×43

= 100×43+2×43

=4300+86

=4386

6、9×37+9×63

=9×(63+37)

=9× 100

=900

7.66×38-987÷2 1 66×38-987÷2 1

=2508-987÷2 1 =2508-47

=2508-47 =246 1

=246 1

8. 1.25* 17.6+36. 1/0.8+2.36* 12.5

1.25* 17.6+36. 1/0.8+2.36* 12.5

=(5/4)* 17.6+36. 1*(5/4)+23.6*(50/4)

= 176/8+36 1/8+236/8

=773/8=96.625

9.7.5*2.3+ 1.9*2.5

7.5*2.3+ 1.9*2.5

=7.5*( 1.9+0.4)+ 1.9*2.5

=(7.5+2.5)* 1.9+7.5*0.4

= 19+3 =22

10.2004/2003*2005

2004/2003*2005

=(2004/2003)*(2003+2)

=2004+4008/2003

1 1.276*543-267/276+543*275

276*543-267/276+543*275

=543*(276+275)-267/276

=543*55 1-267/276

12.2002+200 1-2000- 1999+ 1998+ 1997- 1996- 1995+……+2+ 1

=(2002-2000)+(200 1- 1999)+( 1998- 1996)+( 1997- 1995)+……+(6-4)+(5-3)+2+ 1

= 2+2+2+2+...+2+2 (from 3-2002 * * 2000, with 1000 binary) +2+ 1.

= 1000×2+2+ 1

=2003

13. 1/3+ 1/05++ 1/35+ 1/63+9 1/9

= 1/( 1×3)+ 1/(3×5)+ 1/(5×7)+ 1/(7×9)+ 1/(9× 1 1)

= 1/2×( 1- 1/3)+ 1/2×( 1/3- 1/5)+ 1/2×( 1/5- 1/7)+ 1/2×( 1/7- 1/9) + 1/2×( 1/9- 1/ 1 1)

= 1/2×( 1 - 1/3 + 1/3 - 1/5 + 1/5 - 1/7 + 1/7 - 1/9 + 1/9 - 1/ 1 1)

= 1/2×( 1- 1/ 1 1)

= 1/2× 10/ 1 1

=5/ 1 1

14.0.49÷ 1.4 1.25×2.5×32 3.6-0.6×2

15.3.65× 10. 1 3.6-3.6×0.8 15.2÷0.25÷4

16.5.6÷3.5 9.6÷0.8÷0.4 4.2×99+4.2

17.0.89× 100. 1 146.5-(23+46.5) 17.8÷( 1.78×4)

18.5.83×2+4.27 (45.9-32.7)÷8÷0. 125 9.7×99+9.7

19.4.36× 12.5×8 15.6× 13. 1- 15.6- 15.6×2. 1 0.65× 10 1

20.27.5×3.7-7.5×3.7 8.54÷2.5÷0.4 3.83×4.56+3.83×5.44

2 1.9.9×0.625× 10 1-62.5

22.9.9×8.6+0.86

23.0.46×7.5+0.46×2.5

24.4.6×8.04+6.4×8.04-8.04

25.5.4×0. 15÷0.2+4.6×0. 15

=27*0. 15+4.6*0. 15

=(27+4.6)*0. 15

=3 1.6*0. 15

=4.74

26.55× 10.43+ 104.3×4.4+ 104.3×0. 1

=55× 10.43+ 10.43×44+ 10.43× 1

=(55+44+ 1)* 10.43

= 100* 10.43

= 1043

17×40=680, 100-63=37, 3.2+ 1.68=4.88, 2.8×0.4= 1. 12

14-7.4=6.6, 1.92÷0.04=48, 0.32×500= 160, 0.65+4.35= 5

10-5.4=4.6, 4÷20=0.2, 3.5×200=700, 1.5-0.06= 1.44

0.75÷ 15=0.05, 0.4×0.8=0.32, 4×0.25= 1, 0.36+ 1.54=2

1.0 1×99=99.99, 420÷35= 12, 25× 12=300, 135÷0.5=270

3/4 + 1/4 = 1, 2 + 4/9 =22/9, 3 - 2/3 =7/3, 3/4 - 1/2= 1/4

1/6 + 1/2 - 1/6 = 1/2, 7.5-(2.5+3.8)= 1.2, 7/8 + 3/8 =5/4

3/ 10 + 1/5 = 1/2, 4/5 - 7/ 10 = 1/ 10, 2 - 1/6 - 1/3 = 1.5

0.5 1÷ 17=0.03, 32.8+ 19=5 1.8, 5.2÷ 1.3=4, 1.6×0.4= 0.64

4.9×0.7=3.43, 1÷5=0.2, 6÷ 12=0.5, 0.87-0.49=0.38

1.( 1+ 1/2)( 1+ 1/3)( 1+ 1/4)......( 1+ 1/ 100)

2.( 1- 1/2)( 1- 1/3)( 1- 1/4)......( 1- 1/ 100)

3.8+2-8+2

4.25*4/25*4

5.7.26-(5.26- 1.5)

6.286+ 198

7.3 14-202

8.526+30 1

9.223-99

10.6.25+3.85-2. 125+3.875

1 1.9-2456*2 1

12.0.5/ 1 1.5-4*2.75

13. 1/2×3/5

14.3.375+5.75+2.25+6.625

15. 100 1-9036÷ 18

16.3.8×5.25+ 14.5

17.2. 1*4.3+5.7*2. 1

18.30× 1/3

19. 102*45-328

20.2/3× 12

2 1.2.8*3. 1+ 17.6/8

22.3/5×5/6

23.(50- 12.5)/2.5

24.2/5× 1/3

25.6 1 10*47+639

26. 1/2- 1/6

27.3.5*2.7-52.2/ 18

28. 1/7× 1/5

29.3.375*0.97+0.97*6.625

30.25×4/5

3 1.6.54+2.4+3.46+0.6

32.5/6- 1/2

33.95.6* 1.8+95.6*8.2

34. 1/2× 1/5

35.600-420/ 12

36.344/3.6-5.4*0.25

37. 16/2+30/2+90/6

38.300 1- 1998.

39.5000- 105*34

40.0. 15/0.25+0.75* 1.2

4 1.( 1/2+ 1/3+ 1/4)*0.24

42.(25+4)*4

43.300-4263/2 1

44.0.8 1/0.25+5.96

45.403÷ 13×27

46. 1.5×4.2-0.75÷0.25

47.3.27×4 +3.27×5.7

48.( 1.2+ 1.8)×4.5 1025-768÷32

49.0.25×80-0.45÷0.9

50. 1025-768÷32

5 1.0.25*2.69*4

52.2348+275* 16

53.2/9* 15/8- 1/ 12*9/5

54.2.4+2.4*(5.375-3.375)

55.645-45* 12

56.0. 15+ 1.2/0.24-0.45

57.3.75-(2.35+0.25/ 1.25)

58.76* 1/4+23*25/ 100+0.25

59. 10-2.87-7. 13

60.0.96+9.6*9.9

6 1.7.5-5.7* 1/3

62. 12.37-3.25-6.75

63. 16*6.8+2.2* 16+ 16

64.40 1* 19+284

65.58.7- 16.65/3.7

66.0.4*4.7*2.5+(2.3+5.3)

67.9.3 1- 1. 125-7.875

68.640+ 128*45

69.8.2* 1.6-0.336/4.2

70.400*(0.62+0.08)

1.5×3.6=( ) 3.7×5.3=( ) 2.3×6=( )

8. 1×3.4=( ) 7.6×4.3=( ) 1.6×5.3=( )

4.3×7-6.3+5. 1=( ) 6.2÷3. 1×4.5=( )

(8.6- 1.5+9.4)×9.3=( )(5.3+2.7)÷(3.6+2.5)=( )

4.5*6=?

6-4.05=?

8.4÷0.7=?

3.67+6. 13=?

0.5* 1.2=?

0.55÷ 1. 1=?

5.42+7.5* 1.6=?

0.25* 1.7*0.4=?

7.86-40 15-2.85=?

0. 125*32*2.5=?

4.5*6=?

6-4.05=?

8.4÷0.7=?

3.67+6. 13=?

0.5* 1.2=?

0.55÷ 1. 1=?

5.42+7.5* 1.6=?

0.25* 1.7*0.4=?

7.86-40 15-2.85=?

0. 125*32*2.5=?

4.5*6=?

6-4.05=?

8.4÷0.7=?

3.67+6. 13=?

0.5* 1.2=?

0.55÷ 1. 1=?

5.42+7.5* 1.6=?

0.25* 1.7*0.4=?

7.86-40 15-2.85=?

0. 125*32*2.5=?

1、 1.2×3=

5、2-0.8=

9、 10.7-5.7=

13、0.52+0.08=

17、2÷5=

2 1、8×0.03

25、0.0 1× 100=

25、30×0.0 1=

29、0× 1.22=

40、0.6×5=

43、 1.2-0.9=

6、0.54÷0.6=

10、0.26×0.3=

14、 1÷0.05=

18、20×0.4=

26、2.8+ 10.2=

34、7-0.9=

58、0.55+0.3=

38、0.8+0.2=

4 1、 16÷0.4=

44、0. 14×5=

19、2.5×4=

3 1、 15.3- 10=

35、3.3+7=

39、6÷ 10=

45、0.86+2. 14=

8、0.37+4=

16、3.2÷0.8=

20、0.45+0.55=

24、6.4÷8=

1.( 1+ 1/2)( 1+ 1/3)( 1+ 1/4)......( 1+ 1/ 100)

2.( 1- 1/2)( 1- 1/3)( 1- 1/4)......( 1- 1/ 100)

3.8+2-8+2

4.25*4/25*4

5.7.26-(5.26- 1.5)

6.286+ 198

7.3 14-202

8.526+30 1

9.223-99

10.6.25+3.85-2. 125+3.875

1 1.9-2456*2 1

12.0.5/ 1 1.5-4*2.75

13. 1/2×3/5

14.3.375+5.75+2.25+6.625

15. 100 1-9036÷ 18

16.3.8×5.25+ 14.5

17.2. 1*4.3+5.7*2. 1

18.30× 1/3

19. 102*45-328

20.2/3× 12

2 1.2.8*3. 1+ 17.6/8

22.3/5×5/6

23.(50- 12.5)/2.5

24.2/5× 1/3

25.6 1 10*47+639

26. 1/2- 1/6

27.3.5*2.7-52.2/ 18

28. 1/7× 1/5

29.3.375*0.97+0.97*6.625

30.25×4/5

3 1.6.54+2.4+3.46+0.6

32.5/6- 1/2

33.95.6* 1.8+95.6*8.2

34. 1/2× 1/5

35.600-420/ 12

36.344/3.6-5.4*0.25

37. 16/2+30/2+90/6

38.300 1- 1998.

39.5000- 105*34

40.0. 15/0.25+0.75* 1.2

4 1.( 1/2+ 1/3+ 1/4)*0.24

42.(25+4)*4

43.300-4263/2 1

44.0.8 1/0.25+5.96

45.403÷ 13×27

46. 1.5×4.2-0.75÷0.25

47.3.27×4 +3.27×5.7

48.( 1.2+ 1.8)×4.5 1025-768÷32

49.0.25×80-0.45÷0.9

50. 1025-768÷32

5 1.0.25*2.69*4

52.2348+275* 16

53.2/9* 15/8- 1/ 12*9/5

54.2.4+2.4*(5.375-3.375)

55.645-45* 12

56.0. 15+ 1.2/0.24-0.45

57.3.75-(2.35+0.25/ 1.25)

58.76* 1/4+23*25/ 100+0.25

59. 10-2.87-7. 13

60.0.96+9.6*9.9

6 1.7.5-5.7* 1/3

62. 12.37-3.25-6.75

63. 16*6.8+2.2* 16+ 16

64.40 1* 19+284

65.58.7- 16.65/3.7

66.0.4*4.7*2.5+(2.3+5.3)

67.9.3 1- 1. 125-7.875

68.640+ 128*45

69.8.2* 1.6-0.336/4.2

70.400*(0.62+0.08)

1/2+ 1/3

2/ 1-5/4

9\3*3\9

3/4+5/4=? 4/5+6/5=? 5/6+6/7=?

4.02+5.4+0.98 5. 17- 1.8-3.2 13.75-(3.75+6.48)

3.68+7.56-2.68 7.85+2.34-0.85+4.66 35.6- 1.8- 15.6-7.2

3.82+2.9+0. 18+9. 1 9.6+4.8-3.6 7. 14-0.53-2.47

5.27+2.86-0.66+ 1.63 13.35-4.68+2.65 47.8-7.45+8.8

0.398+0.36+3.64 15.75+3.59-0.59+ 14.25 42.5-(6.07+ 1. 13)

73.8- 1.64- 13.8-5.36 66.86-8.66- 1.34 0.25× 16.2×4

3.72×3.5+6.28×3.5 36.8-3.9-6. 1 2 5.48-(9.4-0.52)

4.8×7.8+78×0.52 3.6× 102 6.4×0.25+3.6÷4

32+4.9-0.9 4.8-4.8×0.5 ( 1.25-0. 125)×8

4.8× 100. 1 56.5×9.9+56.5 7.09× 10.8-0.8×7.09

4.2÷3.5 320÷ 1.25÷8 18.76×9.9+ 18.76

3.52÷2.5÷0.4 4.78÷0.2+3.44 3.9-4. 1+6. 1-5.9

0.49÷ 1.4 1.25×2.5×32 3.6-0.6×2

3.65× 10. 1 3.6-3.6×0.8 15.2÷0.25÷4

5.6÷3.5 9.6÷0.8÷0.4 4.2×99+4.2

0.89× 100. 1 146.5-(23+46.5) 17.8÷( 1.78×4)

5.83×2+4.27 (45.9-32.7)÷8÷0. 125 9.7×99+9.7

4.36× 12.5×8 15.6× 13. 1- 15.6- 15.6×2. 1 0.65× 10 1

27.5×3.7-7.5×3.7 8.54÷2.5÷0.4 3.83×4.56+3.83×

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

1 1.7 × 5/49 + 3/ 14

12.6 ×( 1/2 + 2/3 )

13.8 × 4/5 + 8 × 1 1/5

14.3 1 × 5/6 – 5/6

15.9/7 - ( 2/7 – 10/2 1 )

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

2 1.5/7 × 3/25 + 3/7

22.3/ 14 ×× 2/3 + 1/6

23. 1/5 × 2/3 + 5/6

24.9/22 + 1/ 1 1 ÷ 1/2

25.5/3 × 1 1/5 + 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 × 2 1/ 16 + 1/2

30. 10 1 × 1/5 – 1/5 × 2 1

( 1)58+42= (2)87-45= (3) 125×8=

(4)50× 12= (5)804÷4= (6) 134+66=

(7) 1000-98= (8)720÷5= (9)0÷47=

( 1) 168+36-36+32=

(2) 153-5× 14+83=

(3)50×5÷50×5=

(5)24×25=6×4×25=6+ 100= 106( )

( 1)3786-499

(2)32×25× 125

(3) 1653-338-662

(4)7987+350+20 13+450

(5)38×38+62×38

(6)452+99×452

(7)20 1×79

(8)50× 125×4×8

( 1)340×( 120-40÷8)

(2)45×(720- 1957÷ 19)

(3)86+[4500+(2088÷36)÷2]

(4)396×[74-(4875÷ 15- 13×2 1)]

(5)[ 1054-( 174- 168)]÷8

(6)6048÷[( 107-99)×9]

3.84*7.6-3.84*6.6

1-(8.64/8.64- 182.4/9 1.2*0.5)

3.8/ 1.25/ 1.25/8/8

9.56*99+9.56

102*20.03- 1.25*20.03*0.8

9.99*4.87