Question

rezolva in doua moduri: marinarii siau facut provizii:9 lazi cu cate cu cate 12 sticle cu apa si 9 lazi cu cate 16 sticle cu suc. cate sticle au in total? coroana dubla + ce vreti

Answer 1

(9x12)+(9x16)=108+144
                        =252
9x(12+16)=9x28
                 =252

Answer 2

Mod.1
(9x12)+(9x16)=108+144=252 sticle
             sau
9x12=108 sticle cu apa
9x16=144 sticle cu suc
108+144=252 sticle in total
Mod. 2
9x(12+16)=9x28=252 sticle in total