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解比例.1.5:12=6:xx:35=56:21.33.9=20xx:247=0.875:523:56=x:0.5x0.15=0.40.03

题目详情
解比例.
1.5:12=6:x
x:
3
5
=
5
6
:2
1.3
3.9
=
20
x
x:
24
7
=0.875:5
2
3
5
6
=x:0.5
x
0.15
=
0.4
0.03
解比例.
1.5:12=6:x
x:
3
5
=
5
6
:2
1.3
3.9
=
20
x
x:
24
7
=0.875:5
2
3
5
6
=x:0.5
x
0.15
=
0.4
0.03
解比例.
1.5:12=6:x
x:
3
5
=
5
6
:2
1.3
3.9
=
20
x
x:
24
7
=0.875:5
2
3
5
6
=x:0.5
x
0.15
=
0.4
0.03
解比例.
1.5:12=6:x x:
3
5
=
5
6
:2
1.3
3.9
=
20
x
x:
24
7
=0.875:5
2
3
5
6
=x:0.5
x
0.15
=
0.4
0.03
解比例.
1.5:12=6:x x:
3
5
=
5
6
:2
解比例.
1.5:12=6:x
x:
3
5
=
5
6
:2
3
5
=
5
6
:2
3
5
353355
5
6
:2
5
6
565566
1.3
3.9
=
20
x
x:
24
7
=0.875:5
1.3
3.9
=
20
x
1.3
3.9
=
20
x
1.3
3.9
1.33.91.31.33.93.9
20
x
20
x
20x2020xxx:
24
7
=0.875:5
24
7
=0.875:5
24
7
247242477
2
3
5
6
=x:0.5
x
0.15
=
0.4
0.03
2
3
5
6
=x:0.5
2
3
5
6
=x:0.5
2
3
232233
5
6
=x:0.5
5
6
565566
x
0.15
=
0.4
0.03
x
0.15
=
0.4
0.03
x
0.15
x0.15xx0.150.15
0.4
0.03
0.4
0.03
0.40.030.40.40.030.03
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答案和解析
(1)1.5:12=6:x,        1.5x=12×6,        1.5x=72,   1.5x÷1.5=72÷1.5,           x=48;(2)x:35=56:2,        2x=35×56,        2x=12,     2x...