←Vrati se na zadatke1. ZadatakIzračunaj: [(1+2+3+…+54):3]:(3⋅3:3⋅3)=.\left[(1+2+3+\ldots+54):3\right]:(3\cdot3:3\cdot3)=.[(1+2+3+…+54):3]:(3⋅3:3⋅3)=.Rješenje[(1+2+3+…+54):3]:(3⋅3:3⋅3)=[1485:3]:(9:3⋅3)=495:(3⋅3)=495:9=55\begin{aligned} \left[(1+2+3+\ldots+54):3\right]:(3\cdot3:3\cdot3) &=\left[1485:3\right]:(9:3\cdot3)\\ &=495:(3\cdot3)\\ &=495:9\\ &=55 \end{aligned}[(1+2+3+…+54):3]:(3⋅3:3⋅3)=[1485:3]:(9:3⋅3)=495:(3⋅3)=495:9=55
