Question

trei copii au impreuna 200 mere. primi doi au impreuna 110 mere iar ultimii doi au 190 mere .cate mere are aldoilea a10 b 100 c90

Answer 1

c+110=200
c=200-110
c=90
a+190=200
a=200-190
a=10
b+10+90=200
b+100=200
b=200-100
b=100