- n = int(input()) 
- i = 0 
- while i < n: 
-     try: 
-         x, y = input().split(" ") 
-         x = float(x) 
-         y = float(y) 
-         if y != 0: 
-            print(x / y) 
-            i += 1 
-         else: 
-             print('divisao impossivel') 
-     except ValueError: 
-        print('fomrmato digitado errado') 
-   
- #https://pt.stackoverflow.com/q/482421/101 
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