Вычеслите 3/5×4/9 Б)7/9÷21/25 В) 3/4×2

[tex]1) \frac{3}{5} \times \frac{4}{9} = \frac{4}{15} \\ 2) \frac{7}{9} \div \frac{21}{25} = \frac{7}{9} \times \frac{25}{21} = \frac{25}{27} \\ 3) \frac{3}{4} \times 2 = \frac{3}{2} = 1 \frac{1}{2} [/tex]