1.

Simplify: \(\left[ {2\frac{1}{3} - 1\frac{1}{2}} \right]of\frac{3}{5}\; + \;1\frac{2}{5} \div 2\frac{1}{3}\)1). 1/102). 3/103). 11/104). 1

Answer»

$(\begin{ARRAY}{L} \left[ {2\frac{1}{3} - 1\frac{1}{2}} \RIGHT]of\frac{3}{5}\; + \;1\frac{2}{5} \div 2\frac{1}{3}\; = \;\left[ {\frac{7}{3} - \frac{3}{2}} \right]of\frac{3}{5}\; + \;\frac{7}{5} \div \frac{7}{3}\\ = \;\frac{5}{6}of\frac{3}{5}\; + \;\frac{{\frac{7}{5}}}{{\frac{7}{3}}}\\ = \;\frac{5}{6}\; \times \;\frac{3}{5}\; + \;\frac{3}{5}\\ = \;\frac{1}{2}\; + \;\frac{3}{5}\\ = \;\frac{{11}}{{10}}\; = \;1\frac{1}{{10}}\\ \therefore \left[ {2\frac{1}{3} - 1\frac{1}{2}} \right]of\frac{3}{5}\; + \;1\frac{2}{5} \div 2\frac{1}{3}\; = \;1\frac{1}{{10}} \end{array})$



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