Question

Efetue as multiplicações:
2/5×5/9
1/3×2/4×3/5
5/8×4/2×8/5

Answer 1

Resposta:

$\frac{2}{5} x \frac{5}{9} = \frac{2}{9} \\\frac{1}{3} x \frac{2}{4} x \frac{3}{5} = \frac{1}{10} \\\frac{5}{8} x \frac{4}{2} x \frac{8}{5} = \frac{160}{80} = 20$