Question

intr-o cutie erau 29 bile albe ai citeva verzi.dupa ce am scos 17bile albe si 23bile verzi.in cutie au mai ramas29bile .cite bile verzi au fost initial in cutie

Answer 1

a=bile albe
x=bile verzi
29+x=17+23+29
29+x=69 bile total
x=69-29
x=40 bile verzi au fost initial in cutie
a=29 bile albe
(29-17)+(40-23)=12+17=29 au ramas in cutie
adica :
12 bile albe
17 bile verzi

Answer 2

1)cate bile alba au ramas in cutie?
29-17=12-bile albe
2)Cate bile verzi au ramas in cutie?
29-12=17-bile verzi
3)cate bile verzi au fost initial in cutie?
17+23=40-bile verzi