def digui(arr,item): if item < 1: return False if len(arr) == 1: if arr[0] == item: return True else: return False else: for i in range(len(arr)): n = arr[i] m = arr[0:i] + arr[i + 1:] if digui(m, item + n) or digui(m, item - n) or digui(m, item / n) or digui(m, item * n): return True return Fals...