Question

Maria observa in curtea bunicii ca , numarand cele 50 de pasari,se pot forma grupuri egale, dintr-o gasca,doua rate si trei gaini,dar raman 2 gaini.Cate paari de fiecare fel erau?

Answer 1

dac da cele 2 gainideoparte
raman 48de pasari
care cuoprind fiecare 1+2+3=6 pasari
deci sunt 48:6=8 grupuri
gaste... 1gasca /grup*8 grupuri=8gaste
rate ...2 rate/grup *8grupuri=16 rate
 gainmi....3 gaini/grup*8grupuri +2 gainide de oparte=24+2=26 gaini

verificare 8+16+26=50 pasari

Answer 2

gaste      /___/
rate        /___/___/                             TOTAL=50 PASARI
gaini      /___/___/___/+2

50-2=48
1+2+3=6
48:6=8

gaste=8
rate=8x2=16
gaini=8x3+2=26 gaini

proba: 8+16+26=50