Question

calculeaza : a)1416 : {[(32x43-9999:11)x2+256:8]:2-99:9} = b) { [( 60-6x4)x3+612:6]x2+24 }:4-4=

Answer 1

a) {[(1376-909)x2+32]:2-11}=

=(476x2+32):2-11=

=(952+32):2-11=

=982:2-11=

=491-11=

480 -->  a=480

b) {[(60-24)x3+102]x2+24}:4-4=

={(26x3+102)x2+24]:4-4=

=[(78+102)x2+24]:4-4=

=(180x2+24):4-4=

=(360+24):4-4=

=384:4-4=

=96-4=

=92 --> b=92