解比例及解方程练习题知识讲解

合集下载
  1. 1、下载文档前请自行甄别文档内容的完整性,平台不提供额外的编辑、内容补充、找答案等附加服务。
  2. 2、"仅部分预览"的文档,不可在线预览部分如存在完整性等问题,可反馈申请退款(可完整预览的文档不适用该条件!)。
  3. 3、如文档侵犯您的权益,请联系客服反馈,我们会尽快为您处理(人工客服工作时间:9:00-18:30)。

解比例及解方程练习

解比

例:

x:10=

1 : 1

43 1:

1=1:x :

= :x 254 1.25:0.25=x: 1.6

x : 2

=6:

24

3 25

人教版六年级解方程及解比例

练习题

0.4:x=1.

2:2

0.8:4=x:

8

4.5

=

6

x 2.2

2.8:4.2=x:9.6

31 x:24= : 8:x=

43

0.6∶4=2.4 ∶ x 1 :x

=

10 8

43

54

1 6∶x=

1. 5

x

x

∶11 4 25 12∶5=36

10∶50=x∶40

12

=

3

2.4 x

3 :x=3:

12

4

36 54

=

x3

45:x=18:

26

2.8:4.2=x:

9.6

x

1

14

1.3 ∶x=5.2 ∶20

x

1 1 16 4.6 8 ∶ =∶ x

= 3∶20= 9 ∶0.2=x

解方程

X-72 X= 32X + 25 = 35

7 4 5 5

X×3 =20×125% + 10X = 4

54 5

35X 5=5

8 21 =7

31 3 6X+5 X

44 8

X +78 X=34

X÷2=7

7 16

5 1 1

8 6 12

0.6

0.7

∶ 12

12

3.6 =

6∶18

3x

8=64

70%X + 20%X =

3.6

X - 15%X =

68 21

2 X÷1=

12

34

4X -6×2 =2

3

3

X - 21×2

1

1

2(x 2.6) 8

10 3

4

2 1 3

6X +5 =13.4

X- X= 4 5 3 10 χ

-6=38

5X=15

8 X= 4 X

4 1

5 19

21 15

5 28

2

X ÷ 1

=12

3

X=25

X=

8 X =1

×16

34

5 72

9 6 51

6 26 13 X ÷

= ÷

1

X =30% 35 45 25

4

4

4+0.7X=102

21 2 X+1 X=42

X+

1

32

4

3

X-0.125X=8

36 = 3 8

X 4

3

1 3 13

5

X+ X=18 X ×( + )=

x

0.375x= 5

7

6 8 12

6

2 1

3 x ×2 + 1=4×3

3

5 X - 2.4 ×5=8

3 2 8

7

3 3 2

1

0.36 ×5- x = 5 3 (x- 4.5) = 7

2 x- 25%x = 10

4

x- 0.8x = 16+6

20 x – 8.5= 1.5

x- x -4= 21 5

38

23

X +25%X=90

X - X=

X

- X= 3

79

74

23

31

2X + = 70%X + 20%X =

X

×3

55

54

25% + 10X = 4

X - 15%X = 68

X

+ 3

X = 121 5

8

5X -3× 5

2

X ÷1

= 12

6X

+5 =13.4

21 7

34

12 5 ÷X=

10 X ÷

6 =26 ×13 3

X =

25

X =

5 72

4 x -3 × 9 = 29

35 45 25 8

X = 1 ×16

X = ×

9 6 51

11 x + x

= 4

26

3X 4

13

48

3X= 3 X

8

2

=

7

=

X+78

X=34

25

72

4x-3 ×9 =

29 1

xx

4 20

21

52 X- 1

3

X= 3

10

212 3 4X -6×2 =2 ÷X=

3 5 10

8 X= 1 ×16 X ÷6= 26 ×13

9 6 51 35 45 ×25

1 x + 1x = 3 2

2 6 10 3

2( x 2.6) 8 6X + 5 =13 .4

4

χ

-6=38 5X= 15

19

7 16

4 1

5 =

5 28

8 X= 4

X= 21 15 3X=25 5 72

8

X=

1

×

16

X= ×

21

2 X÷1

=12

34

6 26 13 9 6 51 35 45 25

X-0.25= 1

4

21

2 X+1 X=42 32 X+

X =30%

4

1

1 X=105

4

4+0.7X=10

2

X-

0.125X=8 36

=

3

X4

X-

X+

3

3 X=400

8

3

7 X=18

X×( 3 13

8

3 )=

1

13

2

x - 0.375x=

5

6

x ×

2

+

1

=4×

3

3 2 8

X-3 X=12

7 5 X -2.4 ×5

=8

0.3

6

3

×5- 4 x

=

2 (x- 4.5) = 7 2

1 x- 25%x = 10 X +25%X=90

x- 0.8x = 16+6 20 x 8.5= 1.5

x-

4 x -4=

21

3 8 2 3

X- X= X- X= 3 2X + 7 9 7 4

70%X + 20%X = 3.6 X×3 =20×1

54

23

5

=

5

25% + 10X = 4

5

X - 15%X = 68 X+3 X=

121

8

5X -3×5=5

21 7

相关文档
最新文档