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\frac{7}{2}-\frac{\frac{21}{4}}{\left(\frac{7\times \frac{25}{8}}{\frac{5}{2}}\right)^{2}}
Sumeu 2 més 5 per obtenir 7.
\frac{7}{2}-\frac{\frac{21}{4}}{\left(\frac{\frac{175}{8}}{\frac{5}{2}}\right)^{2}}
Multipliqueu 7 per \frac{25}{8} per obtenir \frac{175}{8}.
\frac{7}{2}-\frac{\frac{21}{4}}{\left(\frac{175}{8}\times \frac{2}{5}\right)^{2}}
Dividiu \frac{175}{8} per \frac{5}{2} multiplicant \frac{175}{8} pel recíproc de \frac{5}{2}.
\frac{7}{2}-\frac{\frac{21}{4}}{\left(\frac{35}{4}\right)^{2}}
Multipliqueu \frac{175}{8} per \frac{2}{5} per obtenir \frac{35}{4}.
\frac{7}{2}-\frac{\frac{21}{4}}{\frac{1225}{16}}
Calculeu \frac{35}{4} elevat a 2 per obtenir \frac{1225}{16}.
\frac{7}{2}-\frac{21}{4}\times \frac{16}{1225}
Dividiu \frac{21}{4} per \frac{1225}{16} multiplicant \frac{21}{4} pel recíproc de \frac{1225}{16}.
\frac{7}{2}-\frac{12}{175}
Multipliqueu \frac{21}{4} per \frac{16}{1225} per obtenir \frac{12}{175}.
\frac{1201}{350}
Resteu \frac{7}{2} de \frac{12}{175} per obtenir \frac{1201}{350}.