Isbn: 9787559132673 - 我找到答案了！：366个有趣且意想不到的科学问题（精装） (1 risultati)

Hardcover. Condizione: New. Language:Chinese.HardCover.Pub Date:2024-01 Pages:392 Publisher:Liaoning Science and Technology Press Legend has it that the ancient Greek mathematician Archimedes was commissioned by the king to calculate the purity of the gold used in a crown. He thought hard for several days and couldn't figure it out. But the moment I stepped into the tub. inspiration struck! He suddenly had an epiphany: the buoyancy of an object in water is equal to the weight of the water it displaces. It is said that A.…