解比例及解方程练习题

2022-03-31 07:04:20   文档大全网     [ 字体: ] [ 阅读: ]

#文档大全网# 导语】以下是®文档大全网的小编为您整理的《解比例及解方程练习题》,欢迎阅读!
练习题,方程,比例
x:10=: 0.4:x=1.2:2 x: =6:

8:x=

14131113281233654

= :=:x 0.8:4=x:8 :x=3:12 1.25:0.25=x:1.6 = =

25449x2.4xx3

2

34.5624111313 = 45:x=18:26 2.8:4.2=x:9.6 :x=: 2.8:4.2=x:9.6 x:24= : 3X= 251084438x2.2

110.61.5314114251143511: :=x: 0642.4x 6x x x x x0.7 531242512536142548612

11164.683x22343

1.3∶x=5.2∶20 x∶3.6=6∶18 x X X= 2X + = x- x -4= 21

755532090.2x8644



70%X + 20%X = 3.6 X×

31

=20× 54

25% + 10X =

435215

X - 15%X = 68 XX121 5X3× X÷12 5873421

313

X÷2=7 X7X=3 4X6×2=2 12 ÷X=3 8 X = 1×16 X÷ 6=26×13 6X5 =13.4 X5104487168439651354525



4x3 ×9 = 29

1541511321213

x + x = 4 X21×=4 xx20 2(x2.6)8 X- X= 6X5 =13.4 5X= X÷=

531026103419528


2132581161X21162613X÷=12 X= X=× X÷=÷ X-0.25= =30% 4+0.7X=102 X+X=42 X+X=105 34572965144324354525 33363131352133X-X=400 X-0.125X=8 = X+ X=18 X×( + )= x0.375x= x×+=4× XX12 5 X2.4×58

768126328784X



3321438

0.36×5- x = (x- 4.5) = 7 x- 25%x = 10 x- 0.8x = 16+6 20 x 8.5= 1.5 x- x -4= 21 X25%X=90 X X=

4532579





2233314355

X X= 2X + = 70%X + 20%X = 3.6 X×=20× 25% + 10X = X - 15%X = 68 XX121 5X3×

75545458217



31321X X÷2=7 X7X=3 4X6×2=2 12 ÷X=3 3 X = 25 8 X = 1×16 X÷12 6X5 =13.4

510448347168435729651



1X13626113221362613

X÷ =× x + x = 4 X21×=4 =30% X÷=÷ x×+=4× x- 25%x = 10

2261033283545254253545



526261333213131313

0.36×5- x = (x- 4.5) = 7 X×( + )= X×( + )= X÷ =× x0.375x= x×4536812681263354525

+=4×

1

238


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