五年級簡便計算要答案150道,五年級下冊數學簡便演算法帶答案

2021-08-29 18:02:41 字數 6878 閱讀 8116

1樓:三克油馬吃

孩子,做人不能太貪婪;

•一張口就150道;

•乾脆給你一本書得了;

•你10道10道的要,應該就沒問題了

2樓:

五年級下冊數學簡便演算法帶答案

3樓:瀛洲煙雨

例1、5.76+

13.67+4.24+6.33

=(5.76+4.24)+(13.67+6.33)=10+10

=20例2、37.24+23.79-17.24

=37.24-17.24+23.79

=20+23.79

=43.79

例3、 4×3.78×0.25

=4×0.25×3.78

=1×3.78

=3.78

例4、 125×246×0.8

=125×0.8×246

=100×246

=24600

例5、(2.5+12.5)×40

=2.5×40+12.5×40

=100+500

=600

例6、3.68×4.79+6.32×4.79=(3.68+6.32)×4.79

=10×4.79

=47.9

例7. 26.86×25.66-16.86×25.66=(26.86-16.86) ×25.66=10×25.66

=256.6

例8、 5.7×99+5.7

= 5.7×(99+1)

=5.7×100

=570

例9、34×9.9

=34×(10-0.1)

=34×10-34×0.1

=340-3.4

=336.6

例10、 57×101

=57×(100+1)

=57×100+57×1

=5757

例11、7.8×1.1

=7.8×(1+0.1)

=7.8×1+7.8×0.1

=7.8+0.78

=8.58

例12、25×32

=25×4×8

=100×8

=800

例13、125×0.72

=125×8×0.09

=1000×0.09

=90例14、87×2/85

=(85+2) ×2/85

=85×2/85+2×2/85

=2+4/85

=2又4/85

例15、56.5-3.7-6.3

=56.5-(3.7+6.3)

=56.5-10

=46.5

例16、32.6÷0.4÷2.5

=32.6÷(0.4×2.5)

=32.6÷1

=32.6

例16、86.7×0.356+1.33×3.56=8.67×3.56+1.33×3.56

=(8.67+1.33)×3.56

=10×3.56

=35.6

例17、15.6÷4-5.6×1/4

=15.6×1/4-5.6×1/4

=(15.6-5.6)×1/4

=10×1/4

=2又1/2

例18、16/23×27+16×19/23=27/23×16+16×19/23

=16×(27/23+19/23)

=16×2=32

4樓:巨集哥

0.25×1.25×32

=(0.25×4)×(1.25×8)

=1×10=10

5樓:歐璟衛思山

簡便計算題:

1)6.9+4.8+3.1

0.456+6.22+3.78

2)4.02+5.4+0.98

5.17-1.8-3.2

13.75-(3.75—6.48)

3)3.68+7.56-2.68

7.85+2.34-0.85+4.66

35.6-1.8-15.6-7.2

4)3.82+2.9+0.18+9.1

9.6+4.8-3.6

7.14-0.53-2.47

5)5.27+2.86-0.66+1.6313.35-4.68+2.65

6)47.8-7.45+8.8

0.398+0.36+3.64

15.75+3.59-0.59+14.257)66.86-8.66-1.34

0.25×16.2×4

(1.25-0.125)×8

8)3.6×102

3.72×3.5+6.28×3.5

36.8-3.9-6.1

9)28.6×101-28.6

4.8×7.8+78×0.52

32+4.9-0.9

10)4.8×100.1

56.5×9.9+56.5

7.09×10.8-0.8×7.09

11)25.48-(9.4-0.52)

4.2÷3.5

320÷1.25÷8

12)18.76×9.9+18.76

3.52÷2.5÷0.4

3.9-4.1+6.1-5.9

13)5.6÷3.5

9.6÷0.8÷0.4

4.2×99+4.2

14)17.8÷(1.78×4)

0.49÷1.4

1.25×2.5×32

15)15.2÷0.25÷4

146.5-(23+46.5)

16)3.83×4.56+3.83×5.444.36×12.5×8

9.7×99+9.7

17)27.5×3.7-7.5×3.7

8.54÷2.5÷0.4

0.65×101

18)(45.9-32.7)÷8÷0.1253.14×0.68+31.4×0.032

5.6÷1.25÷0.8÷2.5÷0.4

19)7.2×0.2+2.4×1.4

7.74×(2.8-1.3)+1.5×2.2620)3.9×2.7+3.9×7.3

18-1.8÷0.125÷0.8

12.7×9.9+1.27

21)21×(9.3-3.7)-5.6

15.02-6.8-1.02

5.4×11-5.4

22)2.3×16+2.3×23+2.3

9.43-(6.28-1.57)

3.65×4.7-36.5×0.37

23)46×57+23×86

13.7×0.25-3.7÷4

2.22×9.9+6.66×6.7

24)101×0.87-0.91×87

10.7×16.1-15.1×10.7

0.79×199

25)4.8+8.63+5.2+0.37

5.93+0.19+2.81

1.76+0.195+3.24

26)2.35+1.713+0.287+7.651.57+0.245+7.43

6.02+3.6+1.98

27)0.134+2.66+0.866

1.27+3.9+0.73+16.1

7.5+4.9-6.5

28)3.07-0.38-1.62

1.29+3.7+2.71+6.3

8-2.45-1.55

29)3.25+1.79-0.59+1.7523.4-0.8-13.4-7.2

0.32×403

30)3.2+0.36+4.8+1.64

1.23+3.4-0.23+6.6

0.25×36

31)12.7-(3.7+0.84)

36.54-1.76-4.54

0.25×0.73×4

32)7.6×0.8+0.2×7.6

0.85×199

0.25×8.5×4

33)1.28×8.6+0.72×8.6

12.5×0.96×0.8

10.4-9.6×0.35

34)0.8×(4.3×1.25)

3.12+3.12×99

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