求比值.60:42,4.8:7.5,3/8:9/20,3.5:8又2/5

来源:学生作业帮助网 编辑:作业帮 时间:2024/11/27 17:56:26
求比值.60:42,4.8:7.5,3/8:9/20,3.5:8又2/5
x 1 Dv>XIz @qĝvv q8OxzB*f;e^czcZMw[HJyH?Z0ó!$-b20ԷY5A&$a/KUQ:

求比值.60:42,4.8:7.5,3/8:9/20,3.5:8又2/5
求比值.60:42,4.8:7.5,3/8:9/20,3.5:8又2/5

求比值.60:42,4.8:7.5,3/8:9/20,3.5:8又2/5
60:42=10:7=10/7=1.4285
4.8:7.5=16:25=0.64
3/8:9/20=1/8:3/20=20/24=5/6=0.833
3.5:8又2/5=35:84=5:12=5/12=0.417