[tex]1. \: 2.25 \times 1 \frac{3}{5} + 1.(1) \times 4.4 = [/tex]
[tex] \frac{225}{100} \times \frac{8}{5} + \frac{10}{9} \times \frac{44}{10} [/tex]
[tex] \frac{18}{5} + \frac{44}{9} = [/tex]
[tex] \frac{162}{45} + \frac{220}{45} = \frac{382}{45} [/tex]
[tex] 2. \: \frac{1}{7} = 0.142857[/tex]
[tex]3. \: 0.0(384615) = \frac{384615}{9999990} [/tex]
[tex]5. \: \frac{47.52}{1.2} = 39.6 \: km \: h[/tex]
6. 2,4x + 7 < x + 10,15
1,4x < 3,15 | :1,4
x < 2,25 => x e {0; 1; 2}
