Question

{317+3x(2+3x(45-165:15)]:13}-2x14=

Answer 1

buna

{317+3*[2+3*(45-165:15)]:13}-2*14=

={317+3*[2+3*(45-11)]:13}-2*14

=[317+3*(2+3*34):13]-2*14

=[317+3*(2+102):13]-2*14

=(317+3*104:13)-2*14

=(317+312:13)-2*14

=(317+24)-2*14

=341-28

=313

sper ca te am ajutat !