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clasa 4 mat ex3,4 Urgent!!!!!!!! Dau coroana.Va rog cu schema va rog frumos

Clasa 4 Mat Ex34 Urgent Dau CoroanaVa Rog Cu Schema Va Rog Frumos class=

Răspuns :

50pachete.....10kg
49pachete.......x
x=49×10:50
x=490:50
x=9,8kg
x=kilogramele


205×3=615(mingi de tenis)
145×3=435(mingi de ping pong)
615+435=1050(mingi in total)

sau
(205×3)+(145×3)=615+435=1050