9. Cuánto es mayor 646.515 que 48 . 356 ?

3 A rectangular block has a volume of \( 40 \mathrm{dm}^{3} \). The base area is \( 20 \mathrm{dm}^{2} \). How tall is the rectangle?

\( 2.1 .2 \sqrt { 50 } + \sqrt { 8 } - \sqrt { 32 } \)

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A store sells 2.75 liters of juice in one bottle and 1.25 liters in another. How many liters of juice do you have altogether?

TEST Quale delle seguenti frazioni genera un numero periodico misto: \( \begin{array}{llll}\text { A }-\frac{147}{6} & \frac{66}{18} & \text { C }-\frac{30}{45} & \text { D }-\frac{44}{24}\end{array} \)