Question

1,2·2,25·0,15
------------------- =
0,9·1,5·4,2
помогите пж

Answer 1

$frac{1.2 times 2.25 times 0.15}{0.9 times 1.5 times 4.2} = frac{120 times 225 times 15}{90 times 150 times 420} = frac{45 times 5 times 30 times 4}{30 times 3 times 7 times 60} = frac{45 times 5 times 4}{3 times 7 times 60 } = frac{5}{7}$