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error: 'X' undefined near line 1 column 10 error: called from Running at line 1 column 3 error: evaluating argument list element number 1 error: called from Running at line 1 column 3
문지혜 1565762332423
error: 'x' undefined near line 1 column 8 error: called from Running at line 1 column 2 error: evaluating argument list element number 1 error: called from Running at line 1 column 2
문지혜 1565762232480
ans = 1.3130
문지혜 1565762212443