Question

Simplificati 4500 supra 7200 3 la 10 ori 2 la 15 su ab barat olus ba barat supra 77 rapid plese

Answer 1

[tex]\dfrac{4500}{7200}=\dfrac{45}{72}=\dfrac{5}{8}\\ \text{La a doua nu am ce sa-i fac.}\\ \dfrac{\overline{ab}+\overline{ba}}{77}=\dfrac{10a+b+10b+a}{77}=\dfrac{11a+11b}{77}=\dfrac{11(a+b)}{77}=\dfrac{a+b}{7}[/tex]