Calculate 7+3
If 5+3=158, 9+1=910, 8+6=4814, 4+4=168 then 7+3=?Correct answers: 308
The first user who solved this task is Roxana zavari.
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Nicolas-Louis VauquelinDied 14 Nov 1829 at age 66 (born 16 May 1763).French chemist who discovered the elements chromium (1797) and beryllium (1798). |