Răspuns :
nu sunt f sigura ca e corect Pt ca nu ma prea pricep la metoda figurativa
y-x=18 y) |__|__|__|__|__|
1/3(x)=1/5(y) x) |__|__|__|
..................... ......................................
x=? y=? y-x=18
1/5-1/3=18
2 segmenti=18
1 segment=18:2
=9
x=3*9
=27
y=5*9
=45
45-27=18
1/3(x)=1/5(y) x) |__|__|__|
..................... ......................................
x=? y=? y-x=18
1/5-1/3=18
2 segmenti=18
1 segment=18:2
=9
x=3*9
=27
y=5*9
=45
45-27=18