Răspunsuri

2014-09-12T15:09:14+03:00
5 munc. *  14 zile = 70
70 : 2 munc. = 35 zile
in 35 zile vor efectua lucrarea cei 2 muncitori
2014-09-12T15:30:15+03:00
5m_______14zile
xm_______xzile
x=5m*14zile:2
x=35 zile
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