Question

Ajutati ma va rog 1.2(4)+2.1(6)

Answer 1

$1,2(4)=\frac{124-12}{90}= \frac{112}{90} \\ \\ 2,1(6)= \frac{216-21}{90}= \frac{195}{90} \\ \\ 1,2(4)+2,1(6)= \frac{112+195}{90}= \frac{307}{90}$

/robèrtinni