Question

Ex 8 clasa a 5 va rog ajutatima

Answer 1

[tex]a)\;\frac{5}{11}\cdot(\frac{59}{3}+\frac{40}{3})=\frac{5}{11}\cdot\frac{99}{3}=\frac{5}{11}\cdot 33=\frac{33\cdot5}{11}=3\cdot5=15\\ \\ b)\:\frac{7}{9}\cdot(\frac{117}{4}-\frac{9}{4})=\frac{7}{9}\cdot\frac{108}{4}=\frac{7}{9}\cdot27=\frac{27\cdot7}{9}=3\cdot7=21[/tex]