∴ The midpoints of the two rods are respectively far away from the coincident endpoints.
80/2 = 40 cm, 120/2 = 60 cm
The distance between the midpoint of two sticks is 60-40 = 20cm.
By the way, let me remind you that because the symbol is ∷, it is ∴. You wrote the last question wrong.
Donor, I think your bones are strange.
With a noble appearance and a source of wisdom,
He is one of the wizards in Wulin.
Concentrate on practice and you will achieve something in the future.
I have a quiz, please click next to the answer.
"Choose a satisfactory answer.