Solve Math Puzzle
IF 1234 + 4567 = 284, 3012 + 8888 = 640, 5111 + 9291 = 95 THEN 9378 + 9999 = ?Correct answers: 35
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Dalton's atomic weightsIn 1803, John Dalton presented an essay on the absorption of gases by water, at the conclusion of which he gave a series of atomic weights for 21 simple and compound elements. He read his paper at a meeting of the Manchester Literary and Philosophical Society. |