Răspuns:
I zi....23 cisterne, a cate? l de benzina
II zi...27 cisterne, a cate? l de benzina
In total (vei demonstra prin acolada)...300000l de benzina
R-re:
1)23+27=50 cisterne in ambele zile
2)300000÷50=6000 l pe cisterna
3)23×6000=138000 l in I zi
4)27×6000=162000 l in II zi
Rsp:I zi 138000 l, a II zi 162000 l