Question

in camara bunicii sunt 13 borcane de dulceata de visine si cu 3 mai multe borcane cu dulceata de gutui.Cei doi nepoti iau din camara cate 2 borcane din fiecare fel.Cate borcane de dulceate mai raman in camara?Rezolva in doua moduri.

Answer 1

13+3=16 (borcane dulceață gutui) 13-2-2=9(borcane de dulceata de vișine) 16-2-2=12 (borcane de dulceata de gutui) al || mod. 13+3=16(dulceata de gutui) (13-4)+ (16-4)=9+12=21 (borcane ramase)

Answer 2

13+3=16(borcane cu dulceata de gutui). 13-4=9(borcane visine ramase). 16-4=12(borcane gutui ramase). 9+12=21(borcane ramase). Sau. 13+13+3=29(total borcane). 29-4-4=21(borcane ramase)