六年级解方程及解比例练习题

六年级解方程及解比例练习题

4.2－4x ＝1.8 x =20×4

1

5x －3×215＝7

5

x - 15% x = 68

53 x = 7225 0.24x －1.8=4.2 98x = 61×51

16

103 x －21×32

=4 32x ÷4

1=12 3.6x ÷2＝2.16

204

1

=+

x x 8)6.2(2=-x 6 x ＋5 =13.4 3x ＋5×0.3=4.5

52x -31x = 103

4 x －6＝38

5 x = 1915 218x = 15

4 x ÷5

4=2815 53x = 72

25 21x + 61x = 4 x －73 x ＝12

2

1

x -25% x =10 x ＋8

7x = 4

3 9

8x =6

1×51

16 4x －3 ×9 =

29

x －0.25=41 4+0.7x =102 32x +21 x =42

834143=+x

4x －6×32

=2 512÷x =10

3

9x ÷0.7＝9 8.8＋4 x =40

3

2 x ÷41＝12 3x =

83 x ÷72=16

7

70%X+20%X = 3.6

x ＋83

x ＝121 25% + 10 x =

54

x - 0.8 x = 16+6 x －5

4 x －4= 21

20 x – 8.5= 1.5 x ＋25% x =90 (x -32) ×5=115 32＋x ＝4

3

x －72

x =43 2x +

52=5

3

解比例:

x:10=41:3

1

0.4:x=1.2:2 4.212=x

3

21:51=41:x 0.8:4=x:8 4

3

:x=3:12

1.25:0.25=x:1.6 92=x 8 x 36=3

54 x: 32=6: 2524 x 5.4=2

.26

45:x=18:26

2.8:4.2=x:9.6 101:x=81:4

1

2.8:4.2=x:9.6

x:24= 43:31 8:x=54:43

85:61=x: 12

1

0．6∶4＝2.4∶x 6∶x ＝15∶13 0.612＝1.5

x

34∶12＝x ∶45 1112∶45＝2536∶x x ∶114＝0.7∶1

2

10∶50＝x ∶40 1.3∶x ＝5.2∶20 x ∶3.6＝6∶18

13∶120＝169∶x 4.60.2＝8x 38＝x 64

解方程

X － 27 X=4

3

2X + 25 = 35 70%X + 20%X = 3.6

X ×53=20×41 25% + 10X = 5

4

X - 15%X = 68

X ＋8

3X ＝121 5X －3×215＝75 32X ÷4

1

＝12

6X ＋5 =13.4 83

4143=+X 3X=83 X ÷7

2=167 X ＋87X=43 4X －6×3

2

=2

125 ÷X=310 53 X = 7225 98 X = 61×5116

X ÷ 356=4526×2513 4x －3 ×9 = 29 21x + 61

x = 4

103X －21×32=4 204

1

=+x x 8)6.2(2=-x

6X ＋5 =13.4 25 X-13 X=3

10 4χ－6＝38

5X=1915 218X=154 X ÷54=28

15

32X ÷41=12 53X=7225 98X=61×51

16

X ÷356=4526÷2513 X-0.25=41 4

X

=30%

4+0.7X=102 32X+21X=42 X+4

1

X=105

X-83X=400 X-0.125X=8 X 36 = 4

3

X+37 X=18 X ×( 16 + 38 )=1312 x －0.375x=65

x ×32

+21=4×83 X －7

3X ＝12 5 X －2.4×5＝8

0.36×5- 34 x = 35 23 (x- 4.5) = 7 1

2 x- 25%x = 10

x- 0.8x = 16+6 20 x – 8.5= 1.5 x- 4

5 x -4= 21

X ＋25%X=90 X －37 X= 89 X － 27 X=4

3

2X + 25 = 35 70%X + 20%X = 3.6 X ×53

=20

×4

1

25% + 10X = 54 X - 15%X = 68 X ＋8

3

X ＝121 5X －3×215＝75 32X ÷4

1

＝12 6X ＋5 =13.4

83

4143=+X 3X=83 X ÷72=167