Question

Resolva as expressões:
a) 2/5 x 1,3333....

b)5/9 : 0,56565656.....

Answer 1

a)2/5 x 1,3333..... = 
2/5 x 1 + 3/9 =
2/5 x 1x9+3/9 =
2/5  x  9 + 3 /9 = 
2/5 x 12/9 = 24/45 simplifica por 3 = 8/15

b)5/9  :  0,565656...... = 
5/9   :  56/99 = 
5/9 x 99/56  =  5/1 x 11/56 = 55/56