Question

16bidoane de acelasi fel incap cu 5l mai mult decit in 15 bidoane.citi l incap in 7 bidoane de acelasi fel

Answer 1

cati litri incap intr-un bidom?
16-15=1 l
1x5=5 l
cati litri incap in sate bidoane de acelasi fel ?
7x5=35 l

Answer 2

1).Cati litri incap intr-un bidon? 16b=15b+5l=>1b=5l 2).Cati litri incap in 7 bidoane? 7×5=35l.