Question

ovidiu,marian, si alexandra au impreuna 100 nuci. daca fiecare mananca acelasi numar de nuci , lui O vidiu ii raman 39 nuci, lui Marian ii raman 25 nuci iar Alexandrei 21 nuci. Cate nuci a avut fiecare?

Answer 1

100-(39+25+21)=100-85=15
15:3=5 nuci mananca fiecare
39+5=44 nuci a avut Ovidiu
25+5=30 nuci a avut Marian
21+5=26 nuci a avut Alexandra

Answer 2

[100-(39+25+21)]:3=
=[100-85]:3=
=15:3=
=5