Question

rezolva ecuatia: {[( 405:5+362:2)-32•6+x]•221:13}-240:5=1652​

Answer 1

Răspuns:

{[( 405:5+362:2)-32•6+x]•221:13}-240:5=1652

{[(81+181)-192+x]x17}-48=1652

[(262-192+x)x17]-48=1652

[(70+x)x17]=1652+48

(70+x)x17=1700

(70+x)=1700:17

70+x=100

x=100-70

x=30