解比例及解方程练习题知识讲解
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解比例及解方程练习
题
解比
例:
x:10=
1 : 1
43 1:
1=1:x :
= :x 254 1.25:0.25=x: 1.6
x : 2
=6:
24
3 25
人教版六年级解方程及解比例
练习题
0.4:x=1.
2:2
0.8:4=x:
8
4.5
=
6
x 2.2
2.8:4.2=x:9.6
31 x:24= : 8:x=
43
0.6∶4=2.4 ∶ x 1 :x
=
10 8
43
54
1 6∶x=
1. 5
x
x
∶11 4 25 12∶5=36
10∶50=x∶40
12
=
3
2.4 x
3 :x=3:
12
4
36 54
=
x3
45:x=18:
26
2.8:4.2=x:
9.6
x
∶
1
14
1.3 ∶x=5.2 ∶20
x
1 1 16 4.6 8 ∶ =∶ x
= 3∶20= 9 ∶0.2=x
解方程
X-72 X= 32X + 25 = 35
7 4 5 5
X×3 =20×125% + 10X = 4
54 5
35X 5=5
8 21 =7
31 3 6X+5 X
44 8
X +78 X=34
X÷2=7
7 16
5 1 1
8 6 12
0.6
0.7
∶ 12
12
3.6 =
6∶18
3x
8=64
70%X + 20%X =
3.6
X - 15%X =
68 21
2 X÷1=
12
34
4X -6×2 =2
3
3
X - 21×2
1
1
2(x 2.6) 8
10 3
4
2 1 3
6X +5 =13.4
X- X= 4 5 3 10 χ
-6=38
5X=15
8 X= 4 X
4 1
5 19
21 15
5 28
2
X ÷ 1
=12
3
X=25
X=
8 X =1
×16
34
5 72
9 6 51
6 26 13 X ÷
= ÷
1
X =30% 35 45 25
4
4
4+0.7X=102
21 2 X+1 X=42
X+
1
32
4
3
X-0.125X=8
36 = 3 8
X 4
3
1 3 13
5
X+ X=18 X ×( + )=
x
0.375x= 5
7
6 8 12
6
2 1
3 x ×2 + 1=4×3
3
5 X - 2.4 ×5=8
3 2 8
7
3 3 2
1
0.36 ×5- x = 5 3 (x- 4.5) = 7
2 x- 25%x = 10
4
x- 0.8x = 16+6
20 x – 8.5= 1.5
x- x -4= 21 5
38
23
X +25%X=90
X - X=
X
- X= 3
79
74
23
31
2X + = 70%X + 20%X =
X
×3
55
54
25% + 10X = 4
X - 15%X = 68
X
+ 3
X = 121 5
8
5X -3× 5
=
2
X ÷1
= 12
6X
+5 =13.4
21 7
34
12 5 ÷X=
10 X ÷
6 =26 ×13 3
X =
25
X =
5 72
4 x -3 × 9 = 29
35 45 25 8
X = 1 ×16
X = ×
9 6 51
11 x + x
= 4
26
3X 4
13
48
3X= 3 X
8
2
=
7
=
X+78
X=34
25
72
4x-3 ×9 =
29 1
xx
4 20
21
52 X- 1
3
X= 3
10
212 3 4X -6×2 =2 ÷X=
3 5 10
8 X= 1 ×16 X ÷6= 26 ×13
9 6 51 35 45 ×25
1 x + 1x = 3 2
2 6 10 3
2( x 2.6) 8 6X + 5 =13 .4
4
χ
-6=38 5X= 15
19
7 16
4 1
5 =
5 28
8 X= 4
X= 21 15 3X=25 5 72
8
X=
1
×
16
X= ×
21
2 X÷1
=12
34
6 26 13 9 6 51 35 45 25
X-0.25= 1
4
21
2 X+1 X=42 32 X+
X =30%
4
1
1 X=105
4
4+0.7X=10
2
X-
0.125X=8 36
=
3
X4
X-
X+
3
3 X=400
8
3
7 X=18
X×( 3 13
8
3 )=
1
13
2
x - 0.375x=
5
6
x ×
2
+
1
=4×
3
3 2 8
X-3 X=12
7 5 X -2.4 ×5
=8
0.3
6
3
×5- 4 x
=
2 (x- 4.5) = 7 2
1 x- 25%x = 10 X +25%X=90
x- 0.8x = 16+6 20 x 8.5= 1.5
x-
4 x -4=
21
3 8 2 3
X- X= X- X= 3 2X + 7 9 7 4
70%X + 20%X = 3.6 X×3 =20×1
54
23
5
=
5
25% + 10X = 4
5
X - 15%X = 68 X+3 X=
121
8
5X -3×5=5
21 7