六年級簡便計算怎麼做?

General 更新 2024-11-26

六年級簡便計算大全

一、計算下面各題,能算便的就簡便。

0.8×32.5×12.5 7.6×9.9×0.01 8.32×0.58-0.32×0.58

1.25÷5+0.25×20 10.69-2.5×2.4 0.3×2.5×0.04

8.4×57+8.4×42+8.4 13÷0.65÷2 7.2×10.1-7.2

1.2×2.5+2.8×2.5 32×0.65+3.2×3.5

wenku.baidu.com/...LM34Q3

怎麼做,六年級的,可以用簡便計算。

=0.85x0.95+0.85x5

=0.85x(.095+5)

=0.85x5.95

六年級簡便計算

題目呢?

數學小學六年級簡便計算

1.125×3+125×5+25×3+25

2.9999×3+101×11×(101-92)

3.(23/4-3/4)×(3×6+2)

4. 3/7 × 49/9 - 4/3

5. 8/9 × 15/36 + 1/27

6. 12× 5/6 – 2/9 ×3

7. 8× 5/4 + 1/4

8. 6÷ 3/8 – 3/8 ÷6

9. 4/7 × 5/9 + 3/7 × 5/9

10. 5/2 -( 3/2 + 4/5 )

11. 7/8 + ( 1/8 + 1/9 )

12. 9 × 5/6 + 5/6

13. 3/4 × 8/9 - 1/3

14. 7 × 5/49 + 3/14

15. 6 ×( 1/2 + 2/3 )

16. 8 × 4/5 + 8 × 11/5

17. 31 × 5/6 – 5/6

18. 9/7 - ( 2/7 – 10/21 )

19. 5/9 × 18 – 14 × 2/7

20. 4/5 × 25/16 + 2/3 × 3/4

21. 14 × 8/7 – 5/6 × 12/15

22. 17/32 – 3/4 × 9/24

23. 3 × 2/9 + 1/3

24. 5/7 × 3/25 + 3/7

25. 3/14 ×× 2/3 + 1/6

26. 1/5 × 2/3 + 5/6

27. 9/22 + 1/11 ÷ 1/2

28. 5/3 × 11/5 + 4/3

29. 45 × 2/3 + 1/3 × 15

30. 7/19 + 12/19 × 5/6

31. 1/4 + 3/4 ÷ 2/3

32. 8/7 × 21/16 + 1/2

33. 101 × 1/5 – 1/5 × 21

34.50+160÷40

35.120-144÷18+35

36.347+45×2-4160÷52

37(58+37)÷(64-9×5)

38.95÷(64-45)

39.178-145÷5×6+42

40.812-700÷(9+31×11)

41.85+14×(14+208÷26)

42.23-8/9×1/27÷1/27

43.120-36×4÷18+35

44.(58+37)÷(64-9×5)

45.(6.8-6.8×0.55)÷8.5

46.0.12× 4.8÷0.12×4.8

47.(3.2×1.5+2.5)÷1.6

48.6-1.6÷4= 5.38+7.85-5.37=

49.7.2÷0.8-1.2×5= 6-1.19×3-0.43=

50.6.5×(4.8-1.2×4)=

51.5.8×(3.87-0.13)+4.2×3.74

52.32.52-(......

簡便運算六年級

解析:

1+1/2+1/6+1/12+...+1/[n(n-1)]

=1+(1-1/2)+(1/2-1/3)+...+[1/(n-1)-1/n]

=1+1-1/n

=2-1/n

=(2n-1)/n

小學六年級簡便運算計算題

0.4×125×25×0.8

=(0.4×25)×(125×0.8)

=10×100=1000

1.25×(8+10)

=1.25×8+1.25×10

=10+12.5=22.5

9123-(123+8.8)

=9123-123-8.8

=9000-8.8

=8991.2

1.24×8.3+8.3×1.76

=8.3×(1.24+1.76)

=8.3×3=24.9

9999×1001

=9999×(1000+1)

=9999×1000+9999×1

=10008999

14.8×6.3-6.3×6.5+8.3×3.7

=(14.8-6.5)×6.3+8.3×3.7

=8.3×6.3+8.3×3.7

8.3×(6.3+3.7)

=8.3×10

=83

1.24+0.78+8.76

=(1.24+8.76)+0.78

=10+0.78

=10.78

933-157-43

=933-(157+43)

=933-200

=733

4821-998

=4821-1000+2

=3823

I32×125×25

=4×8×125×25

=(4×25)×(8×125)

=100×1000 =100000

9048÷268

=(2600+2600+2600+1248)÷26

=2600÷26+2600÷26+2600÷26+1248÷269

=100+100+100+48

=348

2881÷ 43

=(1290+1591)÷ 434

=1290÷43+1591÷43

=30+37

=67

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