您的当前位置:首页正文

人教版数学六年级下册:《解比例》练习题

2024-08-29 来源:易榕旅网


解比例练习

一、 解比例

25 :7=X :35 514 :35= 57 :x 23 :X= 12: 14

X :15=13 :56 34 :X= 54 :2 X :0.75 = 81 :25

3.2X1113654::x =

1.54254x3

11123x:10=: 0.4:x=1.2:2 =

432.4x

1113:=:x 0.8:4=x:8 :x=3:12 2544

1112.8:4.2=x:9.6 :x=: 1.25:0.25=x:1.6

1084

20061111134446× 2008×2007 13 -13 ×33 45 7725×101- 64.2×87+0.642×1300 25÷100252526

351312.42÷+4.58×1-4÷3 4.25-3-(2-1)

34664

3233.8÷3.9+3.9÷0.1+0.1÷3.9 ×+×0.6

454

1

二、根据下面的条件列出比例,并且解比例 1. 96和X的比等于16和5的比。 2. 45 和X的比等于25和8的比。

3. 两个外项是24和18,两个内项是X和36 。

二、 解比例

25=1.275

18:110=14:

x:10=14:13 0.4:x=1.2:2

12:115=4:x 0.8:4=x:8

1.25:0.25=x:1.6

x: 23=6: 2425

2.8:4.2=x:9.6

8:x=435:4

6∶x=1∶153

34∶12=x∶45

25:=14:4 6.50.8:23=:6

29=8x 4.5x=62.2 45:x=18:26

110:x=18:14 x:24= 5118:6=x: 12 0.61.512=x

1112∶45=2536∶x :=3.25:4 27:=15:59 1232.4=x

34:x=3:12 36x=543

34:13 0.6∶4=2.4∶x x∶1114=0.7∶2 2

10∶50=x∶40 1.3∶x=5.2∶20 x∶3.6=6∶18

11164.683x∶=∶x = = 32090.2x864解方程

2233X- X= 2X + = 70%X + 20%X = 3.6 74

X×35=20×14 25% + 10X =

X+38X=121 5X

6X+5 =13.4

X÷277=16 X 35 X = 2572

4x-3 ×9 = 29 310X-21×23=4

6X+5 =13.4

5X=

1519 23X÷14=12

5545 X - 15%X = 68

-3×5521=7 34X1348 3X=+78X=34 4X819 X = 6×1651 X112x + 6x = 4

x14x20 25 X-13 X=3

10 48421X=15 X35X=2572 23X÷14=12

38

-6×23=2

÷ 6261335=45×25 2(x2.6)8 χ-6=38

÷45=1528 819X=6×1651 3

4+0.7X=102 211X+X=42 X+X=105 131X626=÷ X-0.25= =30%

25443545

X-38X=400 X-0.125X=8

X+37 X=18 X

x×2133+2=4×8

0.36×5- 34 x = 35

x- 0.8x = 16+6 20 x

X+25%X=90 X

2X + 235 = 5 70%X + 20%X = 3.6 X

25% + 10X = 45 X - 15%X = 68 X 5X-3×

5521=7 32×( 16 + 38 )=1312 x-37X=12 23 (x- 4.5) = 7 – 8.5= 1.5 -37 X= 89 X23X÷14=12 6X436X = 34 -0.375x=56 -2.4×5=8

1

2 x- 25%x = 10

x- 4

5 x -4= 21 - 27 X=34

×315=20×

4+38X=121

+5 =13.4

4

X 5 X

313X 3X=3 X÷2=7 4488716

123732X+X= 4X-6×=2 ÷X=

84

3255 X = 72

4x-3 ×9 = 29

x14x20

25 X-133 X=10 4

8421X=15 X 3255X=72

X-0.25=14 213X+2X=42 X+

389 X = 16×165112x + 16x = 4 2(x2.6)8 6Xχ-6=38 5X=÷45=1528 89X=1166×51 XX4=30% 4+0.7X=102

14X=105 X-510÷ 6261335=45×25 310X-21×23=4

+5 =13.4

1519 23X÷14=12

÷61335=2645÷25 38X=400 5

X

X-0.125X=8

13135213X×( + )= x-0.375x= x×+=4×

3336 = X+ X=18

74X6812

X-37X=12 5

23 (x- 4.5) = 7

x- 0.8x = 16+6 20 x

X-37 X= 89

70%X + 20%X = 3.6

X - 15%X = 68

34X1438 3X=

4X-6×23=2

635=2645×1325 4

6X-2.4×5=8 0.361

2 x- 25%x = 10 X– 8.5= 1.5 x- X- 237 X=4 2X + X×315=20×4 25% + 10X = X+38X=121 5X38 X÷27=7161235 ÷X=10 35 X = 2572 x-3 ×9 = 29 328×5- 334 x = 5

+25%X=90 4

5 x -4= 21

25 = 35 45

-3×5521=7 +78X=34 81169 X = 6×51

12x + 16x = 4

6

X

321X-21×=4 xx20 2(x2.6)8 1034

213

6X+5 =13.4 X- X= 4χ-6=38

5310 5X=

1544158 X= X÷= 19 23X÷14=12

X÷6261335=45÷25 X-0.25=

4+0.7X=102

X-38X=400 X-0.125X=8

X+37 X=18 X

x×23+12=4×38

0.36×5- 334 x = 5

x- 0.8x = 16+6 20 x

211535X=2572 14 23X+12X=42 X+×( 13136 + 8 )=12 x-37X=12 23 (x- 4.5) = 7 – 8.5= 1.5 52881169X=6×51 X4=30%

14X=105

36X = 34

-0.375x=565 X-2.4×5=8

1

2 x- 25%x = 10

x- 4

5

x -4= 21

7

X

8

因篇幅问题不能全部显示,请点此查看更多更全内容