(完整版)小学六年级解比例及解方程练习题

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解方程及解比例练习题

解比例:

x:10=-:- 0.4:x=1.2:2 12 =3

4 3 2.4 x

1 1 1 — ・NX 0.8:4=x:8 -:x=3:12

2 5 4 4

2=8

9 x1.25:0.25=x:1.6 36 54 x:24= 3 : 1 8:x= 4 : 3 §V=x:

4 3 5 • 4 8 6 丄

12 X: 3=6:25 竺=_6_

x 2.2 45:x=18:26

2.8:4.2=x:9.6 1 1 1 :x=:- 10 8 4 2.8:4.2=x:9.6 1.5

x

11: 4=25

12 : 5= 36

4.6 = 8

0.2 = x

解方程

70%X + 20%X = 3.6

XX 3=20X 1

5 4 25% + 10X = X - 15%X = 68

X+ 3X= 121 5X -3X —=- -X- 1 = 12

8 21 7 3 4

7 4 0. 6 : 4=2.4 : x 0.6

~V2

1 0.7 : 2

10 : 50= x : 40 1.3 : x = 5.2 : 20 x : 3.6 = 6 : 18

1 1 16 . _ _

3 : 20= 9 8= 64 3X 1 3

4 4 8

2 13

5 X- 3 X=10 4 x

3 2 1 -X— 21 X 2 =4 x20 10 3 4 6X+ 5 =13.4 3X=

X- 2丄

7 16 4X 6X 2 =2 3

12

~5 25

72

X-鼻 =26 X 13

35 45 25 4 x — 3 X 9 = 29 1x+6x=4

2( x 2.6) 8 3X 1 3

4 4 8

2 13

5 X- 3 X=10 4 x

6X+ 5 =13.46 = 38 .4 15

X+3 X=18 X

5X£ 19

2 1 2X-丄=12 3 4

6 _ 26 亠 13

- ・

35 45 25

4+0.7X=102 空X, X

21 15

3X=25

5 72

X-0.25二 1

4

2 1 -X+- X=42 X+

3 2 8X=1 X 少

9 6 51

-=30% 4

3 X- 3 X=400 8 X-0.125X=8

1 3 13

X( 6 + 8)=d 1

丄 X=105

4

36 =3

X 4

x -0.375x=-

6 xx 2+l=4x -

3 2 8

5 X — 2.4 x 5 = 8

3

0.36 x 5- x = 4

3 (x- 4.5) = 7 2 x- 25%x = 10

x- 0.8x = 16+6 20 x -8.5= 1.5 x- 4 x -4= 21

X+ 25%X=90 3

-3 X= 2 x=9 7 4

2

2X + 5 = 70%X + 20%X = 3.6 X 3 1 x-=20x - 5 4 3

4x — 3 x 9 = 29

25% + 10X = 4 5 X - 15%X = 68 X + -X= 121 8

5X— 3X 5 = 5 21 7 -X- 1 = 12 6X + 5 =13.4 3 4

3X 1 3 3X= 3 X 亠2- . ■ _ 7

8 7 16

X+ - X=3 8 4 2 4X — 6X 2=2 3 12 3

~5 + X=10

£=空*昱

35 45 25

3 2 -X— 21 x -=4 10 3

1 x -x 20 4

2(x 2.6) 8 6X + 5 —13.4

2 1 3

15

X- - X- _ 4 X— 6 = 38 5X— 5 3 10 19

8 X-4 X .4_15 ———

2 1 2X--—12

21 15 5 28 3 4

3x-25

8X—1 ‘ 16 X 亠6 —26亠13

5 72 9 6 51 35 45 25

X-0.25- 1

X—30% 4+0.7X—102

4 4

2 1 2X+2X=42 X+ 1 -X—105 X- 3 3 X—400

3 2 4 8

X-0.125X=8 36 X+ 3 X=18

13

12 x — 0.375x=-

6 x x ?+l=4x 2

3 2 8

X- -X= 12 7 5 X — 2.4 x 5 = 8 0.36

3 (x- 4.5) = 7 1 x- 25%x = 10 X + 25%X=90

x- 0.8x = 16+6 4 20 x — 8.5= 1.5 x- x -4= 21 5