給我26道小數口算 65道遞等式計算 26道簡便運算 26到

2021-04-01 17:23:36 字數 8540 閱讀 5703

1樓:匿名使用者

太急啦,

有些有答案,有些沒

打不下啦,不可以超過10000字。差21道口算

小數口算(還有,補在最後面)

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=

9.1.01×99=

10.420÷35=

11.25×12=

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 =

21.4/5 - 7/10 =

22.2 - 1/6 -1/3 =

23.0.51÷17=

24.32.8+19=

25.5.2÷1.3=

26.1.6×0.4=

遞等式計算

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+42 420+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

51.2÷2.5+2.5÷2

52.194-64.8÷1.8×0.9

53.36.72÷4.25×9.9

54.5180-705×6

55.24÷2.4-2.5×0.8

56.(4121+2389)÷7

57.671×15-974

58.469×12+1492

59.405×(3213-3189)

60.3.416÷(0.016×35)

61.0.8×[(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

簡便運算

1. 1-2+3-4+5-6+7-8+9-10+11-12+................+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÷21 66×38-987÷21

=2508-987÷21 =2508-47

=2508-47 =2461

=2461

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+361/8+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

11.276*543-267/276+543*275

276*543-267/276+543*275

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

=543*551-267/276

12.2002+2001-2000-1999+1998+1997-1996-1995+……+2+1

=(2002-2000)+(2001-1999)+(1998-1996)+(1997-1995)+……+(6-4)+(5-3)+2+1

=2+2+2+2+……+2+2(從3-2002共2000個數,所以有1000個2)+2+1

=1000×2+2+1

=2003

13.1/3+1/15++1/35+1/63+九十1/9

=1/(1×3)+1/(3×5)+1/(5×7)+1/(7×9)+1/(9×11)

=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×(1/9-1/11)

=1/2×(1 - 1/3 + 1/3 - 1/5 + 1/5 - 1/7 + 1/7 - 1/9 + 1/9 - 1/11)

=1/2×(1-1/11)

=1/2×10/11

=5/11

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 0.65×101

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

21.9.9×0.625×101-62.5

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

=31.6*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

解方程1.5/17-x=1/5

2.5/9+x=23

3.6x-x=0.5

4.x-4/9=2/3

5.4x+20=3.9

6.4x+12=50

7.17+8.3 4x=50-12

8.4x=38

9.2.3x-1.02=0.36

10.24 x=0.6

11.x-5.7=2.15

12.15 5x-2x=18

13.3x+0.7=5

14.3.5×2= 4.2+x

15.26×1.5= 2x+10

16.0.5×16―16×0.2=4x

17.13 9.25-x=0.403

18.16.9÷x=0. 3

19.x÷0.5=2.6

20.x+13=33

21.3 - 5x=80

22.1.8 +6x=54

23.6.7x -60.3=6.7

24.9 +4x =40

25.0.2x-0.4+0.5=3.7

26.9.4x-0.4x=16.2

口算(補充):

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

1.01×99=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

0.51÷17=0.03, 32.8+19=51.8, 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

還有: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

7.314-202

8.526+301

9.223-99

10.6.25+3.85-2.125+3.875

11.9-2456*21

12.0.5/11.5-4*2.75

13.1/2×3/5

14.3.375+5.75+2.25+6.625

15.1001-9036÷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

21.2.8*3.1+17.6/8

22.3/5×5/6

23.(50-12.5)/2.5

24.2/5×1/3

25.6110*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

31.6.54+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

38.3001-1998.

39.5000-105*34

40.0.15/0.25+0.75*1.2

41.(1/2+1/3+1/4)*0.24

42.(25+4)*4

43.300-4263/21

44.0.81/0.25+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)×4.51025-768÷32

49.0.25×80-0.45÷0.9

50.1025-768÷32

51.0.25*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

61.7.5-5.7*1/3

62.12.37-3.25-6.75

63.16*6.8+2.2*16+16

64.401*19+284

65.58.7-16.65/3.7

66.0.4*4.7*2.5+(2.3+5.3)

67.9.31-1.125-7.875

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=?

7.86-4015-2.85=?

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=?

7.86-4015-2.85=?

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=?

7.86-4015-2.85=?

0.125*32*2.5=?

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