Question

ajutatimă va rog,dau coroana​

Answer 1

Răspuns:

Explicație pas cu pas:

 

Answer 2

Răspuns:

Explicație pas cu pas:

$a)\frac{2}{5} =0,4\\\frac{16}{3} =5,(3)\\-2\frac{3}{8} =-\frac{19}{8} =-2,375\\\frac{3}{16}=0,1875\\ -\frac{4}{9} =-0,(4)\\\frac{25}{90} =0,2(7)\\-\frac{101}{90} =-1,1(2)\\b)\frac{1}{8} =0,125\\\frac{14}{9} =1,(5)\\-3\frac{5}{6} =-\frac{23}{6} =-3,8(3)\\2\frac{5}{7} =\frac{19}{7} =2,71428571\\\frac{7}{18} =0,3(8)\\-\frac{7}{9} =-0,(7)\\\frac{34}{900} =0,03(7)\\\frac{21}{990} =0,0(21)$