a = 7
b = 3
( 54 ÷ 3b ) (-5 × 5a ) 5/7 - 3/7
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Answer:
(54÷3*3) (-5x5*7)5/7-3/7
(54÷9) (-175)5/7-3/7
6*-175*5/7-3/7
-5250/7-3/7
-5253/7
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