1)cate kg de mere s au adus in acea zi?
36+42=78 kg
2)cate ladite s au folosit?
78:3=26 ladite
(36+42):3=26
1)cate ladite se folosesc pt 36 kg?
36:3=12 ladite
2) care ladite se fol pt 42 kg?
42:3=14 ladite
3)cate ladite s au fol in total?
12+13=26 ladite
(36:3)+(42:3)=26
