Question

Alex cristi si andrei au cules in total 100 nuci.Cate nuci a cules fiecare ,daca alex si cristi au cules impreuna 68 nuci,iar cristi si andrei au cules impreuna 73 de nuci?

Answer 1

100-68=32(andrei)
100-73=27 (alex)
27+32=59 (a+a)
100-59=41 (cristi)

sper ca e bine

Answer 2

notam a-Alex

b-Cristi

c-Andrei

a+b+c :100

a+b :68

b+c :73

inlocuim in prima pe a+b si ne rezulta 68+c :100

c :100-68

c :32 nuci

inlocuim in prima pe b+c si ne rezulta a+73 :100

a :100-73

a :27nuci

32+b+27 :100

b :100-59

b :41 nuci