1.

\frac{3}{5} \text { of } \frac{4}{7} \text { of } \frac{5}{9} \text { of } \frac{21}{24} \text { of } 504=?

Answer» <p>correct format </p><p>(3/5*4/7*5/9*21/24*504)</p><p>=84</p>


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