Question

cum sa rezolv asta? dau coroana ​

Answer 1

Răspuns:

3robinete.........4h.........10800l

3robinete..........3h............x

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x=3×10800:4=8100l

3robinete.........3h............8100l

5robinete.........3h................y

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y=5×8100:3=13500 l

Answer 2

3r.......4h.....10800l    

5r.......3h.....xl              

=>x=3*10800/4

x=3*2700=8100l

3r.....3h....8100l

5r.....3h....yl

=>y=5*8100/3=5*2700=13500l