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Find number abc

If a10a1 + 919ac = 1229b9 find number abc. Multiple solutions may exist.

Correct answers: 21

The first user who solved this task is Nasrin 24 T.

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Joseph-Louis Proust

Born 26 Sep 1754; died 5 Jul 1826 at age 71.French chemist who proved (1808) that the relative quantities of any given pure chemical compound's constituent elements remain invariant, regardless of the compound's source, and thus provided crucial evidence in support of John Dalton's “law of definite proportions,” which holds that elements in any compound are present in fixed proportion to each other.

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