一只蚂蚁的实际长度是5mm量出图中蚂蚁的长度求这幅图的比例尺

2025-03-13 17:36:39
推荐回答(2个)
回答1:

5mm:2cm
=5mm:20mm
=(5÷5):(20÷5)
=1:4

回答2:

2.2cm:5mm
=22:5
=4.4:1