Question

mirela si laura au impreuna 54 de bile. cate bile are fiecare fata daca laura are de cinci ori mai multe decat Mirela?

Answer 1

M-bilele Mirelei
L-bilele Laurei
M+l=54 bile
L=5m
M+5m=54
6m=54
M=54÷6
M=9 bile
L=5×9
L=45 bile
M/--/ }
L/--/--/--/--/--/ } 54 bile

Answer 2

mirela I---------I
Laura  I---------I---------I----------I-----------I----------I}54 bile
 avem in total 6 segmente
54:6=9 bile are Mirela
9×5=45 bile are Laura