[tex]b=( 2\frac{1}{3} +3\frac{1}{2}): \frac{7}{12} -[2,(3): \frac{1}{3} -3:0,3+1,5: ( \frac{1}{2} )^{2} ] ^{2} [/tex]
[tex]b=( \frac{3*2+1}{3} +\frac{2*3+1}{2})*\frac{12}{7} -(\frac{23-2}{9} * 3 -3* \frac{10}{3} + \frac{15}{10} : \frac{1}{4} ) ^{2} [/tex]
[tex]b=( \frac{7}{3} +\frac{7}{2})*\frac{12}{7} -(\frac{21}{9} * 3 - 10 + \frac{15}{10} * 4 ) ^{2} [/tex]
[tex]b= \frac{14+21}{6}*\frac{12}{7} -(3) ^{2} [/tex]
[tex]b= \frac{35}{6}*\frac{12}{7} -9 [/tex]
[tex]b=10-9[/tex]
[tex]b=1[/tex]
