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608c4b35 · 宋海霞 · b1a29945 · b1a29945 · b1a29945 · b1a29945
--- a/user_output1.txt
+++ b/user_output1.txt
-x = -1, y = x = -1
--- a/user_output2.txt
+++ b/user_output2.txt
-x = 5, y = 2 * x - 1 = 9
--- a/user_output3.txt
+++ b/user_output3.txt
-x = 20, y = 3 * x - 11 = 49