(7-7)*7*7*7=07-(7*7-7)/7=1(7+7)/7-7+7=2(7+7)/7+7/7=3(7+7+7+7)/7=4(7*7-7-7)/7=57-7/7+7-7=67*7/7+7-7=77*7/7+7/7=87+7/7+7/7=9(7+7+7)/7+7=10
7+7-7+7-7=07*7/7*7/7=7
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