Question

Tìm y        

y+y :0.5+y:0.25+y:0.125=15

 

 

Answer 1

y:(1+0,5+0,25+0,125)=15

y:1,875=15

y=15x1,875

y=28,125 

Answer 2

y : ( 1 + 0,5 + 0,25 + 0,125 ) = 15

y : 1,875 = 15

<=> y = 15 x 1,875

<=> y = 28,125

Answer 3

= 28 , 125