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Lilia5
a fost răspuns

papabine maninca 3 kg de tort in 7 min. 30 s. ,iar papamult 5 kg 200 g. de tort in 15 min. 15 s. cine a mincat mai mult vorog prin operatii

Răspuns :

Luckyjr
3kg....,....7min30s. |×2
x.............15min
x=6kg
6kg.......15×60s=900s
x.................15s
x=6kg×15/900=6000×15/900=100gr
deci papabine mananca 6kg100gr in 15min si 15s

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