科教版六年级上数学知识比值怎么求帮一下

如题所述

1.6:2.4=16:24=2:3=2/3
8/2.4=80:24=10:3=10/3
7/3:9/2=14:27=14/27
一般遇到带小数点的,如5.4就乘以10倍把它变成整数,两位小数的就乘以100倍,依次类推。然后再进行约分。遇到分数形式的,就前后两个数同乘以分母的最小公倍数,把它们都变成整数再进行约分。

12.5:25=0.5(比值)=1:2(简比)
100:80=1.25
200:40=5
12.5:50=0.25
1.5:30=0.05
2.2:1.1=2
1.5:50=0.03
1.5:30=0.05
1.5:15=0.1
2.4:60=0.04
2.4:40=0.06
3.6:36=0.6
2.4:60=0.04
5.1:0.3=17
2.4:0.4=6
2.4:0.8=3
6.8:0.4=17
2.4:0.3=8
2.8:0.4=7
2.4:8=0.3
8.8:0.8=11
2.4:3=0.8
18.5:0.5=37
3.64:52=
0.85:0.4=
0.32:2.5=
0.75:2.5=
1.25:0.8=
2.5:0.4=
1.25:4.4=
2.5:8.8=
19.4:12=
59.8:0.23=
19.76:5.2=
10.8:45=
21:1.4=
8.84:1.7=
62.1:0.03=
1.89:54=
0.51:2.2=
7.1:2.5=
1.998:0.54=
1.28:16=
2.1:0.4=
2.56:32=
50.18:38.6=
4.68:75=
14.7:0.07=
5.4:15=
124.8:0.24=
23.4:585=
0.544:0.025=
203.5:11=
24:15=
3.64:52=
0.85:0.4=
0.32:2.5=
0.75:2.5=
1.25:0.8=
2.5:0.4=
1.25:4.4=
2.5:8.8=
1.25:0.8=
2.5:0.4=
5.5:0.2=1.1
35:5=
15:5=
23:3=
125:25=
480:80=
16:5=
27:3=
90:15=
48:4=
640:16=
39:3=
24:20=
32:3=
48:16=
12:8=
27:3=
56:14=
24:8=
14:2=
560:80=
96:24=
40:20=
18.5:0.5=
19.4:12=
59.8:0.23=
19.76:5.2=
10.8:45=
21:1.4=
8.84:1.7=
62.1:0.03=
1.89:54=
0.51:2.2=
7.1:2.5=
1.998:0.54=
1.28:16=
2.1:0.4=
2.56:32=
50.18:38.6=
4.68:75=
14.7:0.07=
5.4:15=
124.8:0.24=
23.4:585=
0.544:0.025=
203.5:11=
243:15=
3.64:52=
0.85:0.4=
40:30=
37:26=
76:39=
605:55=
30:20=
12:8=
27:32=
48:27=
4500:20=
73:15 =
120:600 =
200:360=
6800:400=
280:270=
4:2500=
6000:40=
5:1280=
310:70=
400:14=
470:180=
1000:25=
160:600=
20:420=
290:300=
8100:300=
7600:200=
7600:400=
680:270=
980:14=
4200:30=
6:1300=
1300:50=
200:48=
930:660=
530:280=
9200:400=
840:21=
180:500=
8000:500 =
1900:20=
200:160=
8700:300=
300:330=
3:1400=
7000:14=
600:12=
9600:80=
140:300=
8800:40=
9600:800=
750:290=
5:490=
760:20=
7500:500=
370:200=
650:13=
240:4=
640:80=
15:10=
12:11=
160:30=
220:40=
104:5=
4500:50=
120:2=
90:30=
270:30=
270:30=
84:21=
76:9=
66:7=
100:54=
123:15=
360:4=
55:5=
32:6=
7000:70=
200:40=
180:30=
240:40=
35:20=
140:7=
130:6=
280:30=
350:2=
550:11=
250:6=
7200:900=
510:201=
1250:8=
48:20=
6600:600=
390:140=
11:880=
24:50=
3600:400=
4000:50=80
530:70=
420:90=
18.5:0.5=37
55:1.1=50
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第1个回答  2019-03-13
没有题目啊,我举个例子吧
2.8:4=2.8÷4=0.7
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