1.25∶0.25=x∶1.6 查看更多

 

题目列表(包括答案和解析)

巧解密码.
9
4
=
X
24
    ②3.5X+1.5X=25   ③0.75:X=3:12    ④2.6×30-1.3X=0.

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解比例:
12:21=x:14       
1
6
x:
3
4
=7:1.4
         
0.6:x=5%:
5
6
2.7
x
=
9
10
0.16:
2
5
=
8
25
:x
3
4
7
8
=x:0.1
x:32.5=
2
5
:6
1
2
x:2.5=1:25
3:8=
3
4
:x
5.4
x
=
1.8
10

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解方程或比例.
3.5X+1.5X=25 0.75:X=3:12 2.6×30-1.3X=0
9
4
=
X
24

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解比例.
(1)0.5:x=
1
6
2
5

(2)
1.25
0.25
=
x
1.6

(3)
x
75
=
3
10
1
2

(4)
1
2
1
5
=
1
4
:x.

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解比例
0.6:4.8=12:X
2
3
1
4
=1.2:X
45:X=18:26
9:0.09=X:0.15 x:
1
20
=
3
4
1
5
(3.8-x):7=2:7
0.8
X
=
7
5
x:
5
7
=0.3:
5
14
1.6
6
=
X
2.4
0.375:X=
1
20
:60%
X:5=
18
30
1
2
1.4
x
=
0.4
15
2
5
:X=0.25:6
0.45:X=
2
7
:20
1.25:0.25=X:1.6
X:48=3:1.2
7
8
:X=1:0.25
1.6
X
=
2.5
5
12:5=3.6:X X:0.25=4:3 1.5:X=3.6:4.8
6.5:X=3
1
4
:4
0.6:1
1
5
=
4
5
:X
1.5:
3
4
=0.36:X
0.75:X=1
1
4
:2
3.6:X=0.48:
3
25
1.25:0.2=X:1
3
5

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