Răspuns:
[tex]a) \frac{3}{1.5} = 3 \div 1.5 = 3 \div \frac{15}{10} = 3 \times \frac{10}{15} = \frac{30}{15} = 2 \\ b) \frac{2.5}{4} = \frac{7.5}{12} | \times 2 \\ \frac{5}{8} = \frac{15}{24} \\ d) \frac{20}{100} \times 60 = \frac{1200}{100} = 12 \: lei[/tex]
