Find number abcIf 759ab - cc620 = ababb find number abc. Multiple solutions may exist.
Correct answers: 20
The first user who solved this task is Nílton Corrêa de Sousa.
Karl Heinrich Ferdinand RosenbuschDied 20 Jan 1914 at age 77 (born 24 Jun 1836).German geologist who laid the foundations of the science of microscopic petrography (the study of rocks in thin section, based on the optical properties of constituent mineral grains). He was appointed professor (extraordinary) of petrography at Strasbourg in 1873 and ordinary professor of mineralogy at Heidelberg in 1878.