Question

calcule o valor da expressão 0,777...x 1,2/1,555...x1,44

Answer 1

0,777 = 7/9
1,2 = 12/10 = 6/5
1,555... = 1 5/9 = 14/9
1,44 = 144/100 = 36/25
----------------------------------------------------------------------
7/9 . 6/5: 14/9 . 36/25 =
42/45 . 6/5 . 9/14 . 36/25 =
13 608/15 750 =

13 608 : 126        108
----------------- = -----------
15 750 : 126         125

Resposta: 108/125