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免费下载六年级下册第四单元比例:解比例数学试卷

解比例练习
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

=  

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

:=:x 0.8:4=x:8 :x=3:12
2.8:4.2=x:9.6 :x=: 1.25:0.25=x:1.6

46× 2008× -×

×101- 64.2×87+0.642×1300 25÷100

2.42÷+4.58×-4÷3 4.25-3-(2-1)
3.8÷3.9+3.9÷0.1+0.1÷3.9 ×+×0.6 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   。
解比例

        6.5:=3.25:4 

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

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

1.25:0.25=x:1.6 = =

x: =6:  = 45:x=18:26

2.8:4.2=x:9.6 :x=: x:24= :

8:x=: :=x:  0.6∶4=2.4∶x    

6∶x=∶ =

∶=x∶ ∶=∶x x∶=0.7∶

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

∶=∶x = =
解方程
X- X= 2X + =  70%X + 20%X = 3.6

X×=20× 25% + 10X =  X - 15%X = 68

X+X=121 5X-3×= X÷=12

6X+5 =13.4  3X=

X÷= X+X= 4X-6×=2
 X =   X = × X÷ =×

4x-3 ×9 = 29 x + x = 4

X-21×=4  

6X+5 =13.4 X-X= 4χ-6=38
5X= X= X÷=
X÷=12 X= X=×

X÷=÷ X-0.25= =30%
4+0.7X=102 X+X=42 X+X=105
X-X=400 X-0.125X=8  = 
X+X=18 X×( + )= x-0.375x=
x×+=4× X-X=12   5 X-2.4×5=8
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

X+25%X=90 X-X=  X- X=

2X + =  70%X + 20%X = 3.6 X×=20×
25% + 10X =  X - 15%X = 68 X+X=121

5X-3×= X÷=12 6X+5 =13.4

 3X= X÷=

X+X= 4X-6×=2 ÷X=
 X =   X = × X÷ =×

4x-3 ×9 = 29 x + x = 4 X-21×=4
  6X+5 =13.4
X-X= 4χ-6=38 5X=
X= X÷= X÷=12

X= X=× X÷=÷

X-0.25= =30% 4+0.7X=102

X+X=42 X+X=105 X-X=400

X-0.125X=8  =  X+X=18

X×( + )= x-0.375x= x×+=4×

X-X=12   5 X-2.4×5=8 0.36×5- x = 

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

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

X-X=  X- X= 2X + = 

70%X + 20%X = 3.6 X×=20× 25% + 10X = 
X - 15%X = 68 X+X=121 5X-3×=

 3X= X÷= X+X=
4X-6×=2 ÷X=  X =   X = ×
X÷ =× 4x-3 ×9 = 29 x + x = 4

X-21×=4  

6X+5 =13.4 X-X= 4χ-6=38

5X= X= X÷=
X÷=12 X= X=×

X÷=÷ X-0.25= =30%

4+0.7X=102 X+X=42 X+X=105
X-X=400 X-0.125X=8  = 
X+X=18 X×( + )= x-0.375x=
x×+=4× X-X=12      5 X-2.4×5=8

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

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