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(49)½ =7²*½(2 and 2 cancel)
so 7
similarly the other one
7*7*7*7*7= 16807
so the ans =16807-7/49
=16800/49=2400 is the ans
so 7
similarly the other one
7*7*7*7*7= 16807
so the ans =16807-7/49
=16800/49=2400 is the ans
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