Question

Calculați:
[2,(6):5/3+2/5] :0,5ori4
VA ROGGGG URGENTTTTT DAU 100 DE PUNCTE NEVOIE VA ROGGGGGGGGGGGG ​​

Answer 1

[2,(6):$\frac{5}{3}$+$\frac{2}{5}$] :0,5x4=

($2\frac{6}{9} :\frac{5}{3} +\frac{2}{5}$):$\frac{5}{10}$x4=

($\frac{2*9+6}{9} :\frac{5}{3} +\frac{2}{5}$)x$\frac{10}{2}$x4=

($\frac{24}{9}$x$\frac{3}{5} +\frac{2}{5}$)x5x4=

($\frac{8}{5} +\frac{2}{5}$)x20=

$\frac{10}{5}$x20=

2x20=

=40