- Cầu co giãn khi ED > 1- Cầu co gi

- Cầu co giãn khi ED > 1- Cầu co giãn đơn vị khi ED = 1- Cầu không co giãn khi ED < 1- Cầu hoàn toàn không co giãn khi ED = 0

Results (English) 1:

- Demand elasticity when ED> 1
- Bridge expansion unit as ED = 1
- Demand is inelastic if ED <1
- Bridge completely inelastic if ED = 0

Results (English) 2:

-Bridge Stretch when ED > 1
-Bridge unit Stretch when ED = 1
-Bridges do not stretch when ED < 1
-The bridge completely does not stretch when ED = 0

Results (English) 3:

Sphere stretched when ED
Sphere stretches out when the ED=1
Bridge doesn't stretch when a ED
The bridge's not completely stretched when the D-0.