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六年级简算题,小学六年级数学简算题

  • 六年级
  • 2023-11-22

六年级简算题?1、24.6-3.98+5.4-6.02 解析:此题利用加法交换结合律,凑整再计算。步骤如下:24.6-3.98+5.4-6.02 =(24.6+5.4)-(3.98+6.02)=30-10 =20 2、27×17/26 解析:此题先用加法分配律,那么,六年级简算题?一起来了解一下吧。

六年级50道简便计算题及答案

这些是例子,可以自己先超题目做好后对答案。例题有利于举一反三的作用

★例1

1.24+0.78+8.76

原式=(1.24+8.76)+0.78

=10+0.78

=10.78

【解题关键和提示】

运用加法的交换律与结合律,因为1.24与8.76结合起来,和正好是整数10。

★例2

933-157-43

原式=933-(157+43)=933-200=733

【解题关键和提示】

根据减法去括号的性质,从一个数里连续减去几个数,可以减去这几个数的和。因此题157与43的和正好是200。

★例3

4821-998

=4821-1000+2=3823

【解题关键和提示】

此题中的减数998接近1000,我们就把它变成1000-2,根据减法去括号性质,原式=4821-1000+2,这样就可口算出来了,计算熟练后,998变成1000-2这一步可省略。

★例4

0.4×125×25×0.8

原式=(0.4×25)×(125×0.8)=10×100=1000

【解题关键和提示】

运用乘法的交换律和结合律,因为0.4×25正好得10,而125×0.8正好得100。

★例5

1.25×(8+10)

原式=1.25×8+1.25×10=10+12.5=22.5

【解题关键和提示】

根据乘法分配律,两个加数的和与一个数相乘,可用每一个加数分别与这个数相乘,再把所得的积相加。

分数简便计算10道

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

3.2×42.3×3.75-12.5×0.423×16

=3.2×42.3×3.75-1.25×42.3×1.6

=42.3×(3.2×3.75-1.25×1.6)

=42.3×(4×0.8×3.75-1.25×4×0.4)

=42.3×(4×0.4×2×3.75-1.25×4×0.4)

=42.3×(4x0.4x7.5-1.25x4x0.4)

=42.3×[4×0.4×(7.5-1.25)]

=42.3×[4×0.4×6.25]

=42.3×(4×2.5)

=4237

1.8+18÷1.5-0.5×0.3

=1.8+12-0.15

=13.8-0.15

=13.65

6.5×8+3.5×8-47

=52+28-47

=80-47

(80-9.8)×5分之2-1.32

=70.2X2/5-1.32

=28.08-1.32

=26.76

8×7分之4÷[1÷(3.2-2.95)]

=8×4/7÷[1÷0.25]

=8×4/7÷4

=8/7

2700×(506-499)÷900

=2700×7÷900

=18900÷900

=21

33.02-(148.4-90.85)÷2.5

=33.02-57.55÷2.5

=33.02-23.02

=10

(1÷1-1)÷5.1

=(1-1)÷5.1

=0÷5.1

=0

18.1+(3-0.299÷0.23)×1

=18.1+1.7×1

=18.1+1.7

=19.8

3.42×5.7+4.3×3.42 8.75×11-8.75 7.42×20.1

5.9×2.7+0.59×73 0.358×14.7+35.8×0.853

2.7×3.014 0.847×35 0.079×0.23300÷125÷8

=300÷(125×8)

=300÷1000

=0.3

396-96-172-28

=(396-96)-(172+28)

= 300-200

= 100

125*24

= 125*8*3

= 1000*3

= 3000

26*15

= (20+6)*15

= 20*15 + 6*15

= 300+90

=390

25*99*4

= 25*4*99

= 100*99

= 9900

250*32

= 250*4*8

= 1000*8

= 8000

(98+98+98+98)*25

= 4*98*25

= 4*25*98

= 100*98

= 9800

五十道简便运算的题六年级

一、计算下面各题,能算便的就简便。

0.8×32.5×12.57.6×9.9×0.01 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+8.413÷0.65÷27.2×10.1-7.2

1.2×2.5+2.8×2.532×0.65+3.2×3.5

六年级150道简便计算题

152×3÷2

=456÷2

=228

43×12×6

=516×6

3096

200+25×33

=200+825

=1025

(25+26)×48

=51×48

=2448

576-(290+107)

=576-397

=179

脑子已短缺,只有这么多

六年级方程题500道

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

以上就是六年级简算题的全部内容,20x=4400 x=220 六年级的简便计算 2.8×4/5+8.2×4/5-4/5 =(2.8+8.2-1)×4/5 =10×4/5 =8 你好,本题已解答,如果满意 请点右下角“采纳答案”。

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