problema 2
2 tractoare-------------------6 zile
6tractoare---------------------x
6/x=6/2
6x=6·2
x=12/6
x=2 zile
cu 6 tractoare se ara in 2 zile
2 tractoare----------------------------6 zile
4 tractoare------------------------------x
6/x=4/2
4x=2·6
x=12/4
x=3
deci cu 4 tactoare ara in 3 zile
2tractoare--------------------6 zile
x--------------------------------4 zile
2/x=4/6
4x=6·2
x=12/4
x=3
deci cu 3 tractoare ara in 4 zile
problema 3
6 ore--------------------------------5 zile
x--------------------------------------3zile
6/x=3/5
3x=6·5
x=30/3
x=10
deci daca lucreaza cate 10 ore pe zi, in 3 zile termina comanda
