求比值:2/7:5/281.5:1/3

来源:学生作业帮助网 编辑:六六作业网 时间:2024/11/13 03:46:27
求比值:2/7:5/281.5:1/3求比值:2/7:5/281.5:1/3求比值:2/7:5/281.5:1/32/7:5/28=2/7÷5/28=2/7x28/5=8/51.5:1/3=1.5x3

求比值:2/7:5/281.5:1/3
求比值:2/7:5/28
1.5:1/3

求比值:2/7:5/281.5:1/3
2/7:5/28
=2/7÷ 5/28
=2/7x28/5
=8/5
1.5:1/3
=1.5x3
=4.5