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Tudor are de rezolvat 55 de probleme.
El a rezolvat in 3 zile cate 8 probleme.
Cate probleme mai are de rezolvat ?
Rezolva problema cu plan de rezolvare .
Scrie rezolvarea printr-un singur exercitiu,


Răspuns :

3x8=24( probleme a rezolvat)
55-24=31( probleme mai are de rezolvat)
Prin exercitiu este: 55-(3x8)=55-24=31
cate problem a rezolvat in 3 zile?                                                                                        3x8=24                                                                                                                                 cate problem mai are de rezolvat?                                                                                   55-24=31                                                                                                                            un singur exercitiu                            55-(3X8)=55-24=31