Question

Realizează fiecare egalitate prin mutarea unui singur bețișor V-V=II , X-X=XIX, X-X=II, IV-II=IV

Answer 1

Gresit: V-V=II
Corect: VI-V=I

Gresit:X-X=XIX
Corect: X+X=XX

Gresit:X-X=II
Corect: XI-X=I

Gresit:IV-II=IV
Corect: VI-II=IV