(完整版)六年级上册分数解方程练习题.doc

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六年级分数解方程练习题

班级

25% + 10X =

4

5

姓名

成绩

X - 15%X = 68

X + 3

X =121

5X - 3× 5 =

5

2

X ÷ 1 = 12

8 21

7

3

4

3 1 3 3X=

3 6X + 5 =13.4

X

8

8

4

4

X ÷ 2 = 7

X + 7 X=

3

4X

-6× 2

=2

7 16 8

4

3

12

3 3 X = 25 8 X = 1 × 16 5

÷ X=

10

5

72

9

6

51

X

÷ 6 =

26 × 13

4 x - 3 ×9 = 29

1

x + 1

x = 4

35 45

25

2

6

3

X - 21×

2

=4

x

1 x 20

2(x 2.6) 8

10

3

4

2 1 3

6X + 5 =13.4

5 X- 3

X=

10

4χ- 6= 38

5X=

15

8

X= 4

X

÷ 4 = 15

19

21

15

5 28

2

X ÷ 1

=12

3 X=25

8

X=1 × 16

3 4

5

72

9

6

51

X ÷ 6 = 26 ÷

13

X-0.25=

1 X

=30%

35 45 25

4

4

4+0.7X=102

2

X+1

X=42

X+

1

X=105

3 2

4

X- 3

X=400

X-0.125X=8

36 =

3 8

X

4

3

X 1 3 13

-0.375x=

5

X+ X=18 × ( + )= x

7 6 8 12 6

x×2

+

1

=4×

3

X -3 X= 12 5 X - 2.4 ×5= 8 3 2 8 7

3 3 2 1

0.36 × 5- 4 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- 5 x -4= 21

3 8

X+ 25%X=90 X -7 X= 9 解:( 1)( 12×3/4 +12×2/3 )x=8/3

(9+8)x=8/3

17x =8/3 x

= 8/3 ÷17

x= 8/51

(2) 7x/15 =3/4 ×4/15 ×9/17

7x/15 = 9/85 x

= 9/85 ÷7/15

x= 27/119

(3)( 15×1/3 +15×2/5 ) x= 20

(5+6)x=20

11x=20

x= 20÷11

x= 20/11

(4)2x-3x/7 =6

11x/7 = 6

x= 6÷11/7

360÷[(12+ 6)×5]

288÷[(26- 14)×8]

500×6-(50 ×2-80)

(105×12-635 )÷25

864÷[(27- 23)×12]

(45+38 -16 )×24

500-( 240 + 38×6)

[64 -( 87- 42)] ×15

( 845 -15×3)÷1612×[(49 -28 )÷7] 450÷[(84- 48] )÷12

(58+37 )÷( 64-9 ×5)

95÷(64-45 )

178-145 ÷5×6+42

812-700 ÷(9+31×11)

85+14×(14+208÷26 )

(284+16 )×(512-8208÷18)

120-36 ×4÷18+35

(58+37 )÷( 64-9 ×5)

(6.8-6.80×.55) ÷8.5

0.12 ×4.8 ÷0.12 ×4.8

(3.2 ×1.5+2.5 )÷1.6

6-1.6 ÷4= 5.38+7.85-5.37=

7.2 ÷0.8-1.2×5= 6-1.19×3-0.43=

6.5 ×(4.8-1.2×4)=

5.8 ×(3.87-0.13 )+4.2 ×3.74

32.52- (6+9.728 ÷3.2 )×2.5

[(7.1-5.6 )×0.9-1.15]2÷.5

5.4 ÷[2.6 ×(3.7-2.9 )+0.62]

12×6÷(12-7.2 )-6

12×6÷7.2-6

0.68 ×1.9+0.32 ×1.9

(58+370 )÷(64-45 )

420+580-64 ×21÷28

(136+64 )×(65-345÷23 )

48.10.15-10.750×.4-5.7

388+(5000-1000)

158+262+138

375+219+381+225

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