Răspuns :
Cate paini s-au vandut la pranz?
93x2=186
Dar seara?
186x3=558
Total :D+P+S=93+186+558=837
Cate paini au rămas nevandute?
1000-837=163
93x2=186
Dar seara?
186x3=558
Total :D+P+S=93+186+558=837
Cate paini au rămas nevandute?
1000-837=163
93*2=186(paini vandute la pranz)
186*3=558(paini vandute seara)
1000-93-186-558=163(paini nevandute)
186*3=558(paini vandute seara)
1000-93-186-558=163(paini nevandute)