Find number abc
If ba8c0 - a0bb8 = aac3b find number abc. Multiple solutions may exist.Correct answers: 47
The first user who solved this task is Djordje Timotijevic.
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OxygenIn 1774, Antoine Lavoisier observed that heating mercuric oxide produces metallic mercury. He thought the reaction might have been caused by contact with iron; he made no note of gas evolution in his notebook. |