9/5 × 18/25 ÷ 42/21 = ? - 82/75
9/5 × 18/25 ÷ 42/21 = ? - 82/75 9/5 × 18/25 × 21/42 = ? - 82/75 81/125 + 82/75 = ? ? = 653/375 = 1*278/375
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