Question

calcule o valor da expressão : raiz ( 0,444... ) + raiz (1,777...) + raiz ( 2,777...)

Answer 1

0,444... = 4/9
1,777... = 1 + 7/9 = 16/9
2,777... = 2 + 7/9 = 25/9

√0,444... + √1,777... + √2,777... =
= √4/9 + √16/9 + √25/9 =
= 2/3 + 4/3 + 5/3 =
= (2 + 4 + 5)/3 =
= 11/3