a) 4\frac{5}{10}+2\frac{1}{3}*4\frac{1}{2}=
= \frac{45}{10}+\frac{7}{3}*\frac{9}{2}=
=\frac{45}{10}+\frac{63}{6}=
=\frac{270}{60}+\frac{630}{60}=
=\frac{900}{60}=15
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a) 4\frac{5}{10}+2\frac{1}{3}*4\frac{1}{2}=
= \frac{45}{10}+\frac{7}{3}*\frac{9}{2}=
=\frac{45}{10}+\frac{63}{6}=
=\frac{270}{60}+\frac{630}{60}=
=\frac{900}{60}=15