x:5 = :0.5 (3) :x = 6 查看更多

 

题目列表(包括答案和解析)

3:8=x:2.4     
x:5=0.5:
2
5

3:x=6:
7
8

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计算:
3:8=X:2.4
X:5=
2
5
:0.5
7
8
:X=6:8
12X=300-4X 7X+5.3=7.4 (200-X)÷5=30.

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计算:
3:8=X:2.4
X:5=
2
5
:0.5
7
8
:X=6:8
12X=300-4X 7X+5.3=7.4 (200-X)÷5=30.

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5:x=3:9
54
x
=
4
5
x:
1
4
=4:
2
3
36:18=x:5.4
6
1.5
=
x
10
1:
1
2
=x:
1
3
3
8
2
5
=x:
6
5
5
6
2
3
=
1
8
:x
5
12
=
7
x
7
2
:x=
3
5
1
7
1
10
1
8
=x:
1
4
x
0.8
=1.5:4
X:1.5=25%
x
13
=0.6
2.5
x
=
2
25
x:
3
4
=
8
9

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计算:
3:8=X:2.4
X:5=数学公式:0.5数学公式:X=6:8
12X=300-4X7X+5.3=7.4(200-X)÷5=30.

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