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___ ___ / ___\ / ___\ 30 - 3*\/ 7 + \/ 7 *\2 + \/ 7 /*\2 - \/ 7 / -------------------------------------------- / ___\ / ___\ 3*\2 + \/ 7 /*\2 - \/ 7 /
/ ___\ 2*\-5 + \/ 7 / ------------------------ / ___\ / ___\ \-2 + \/ 7 /*\2 + \/ 7 /