105+{450÷5×[975-(50÷5+3)×75]}×2=

Răspuns :

105+{450:5x[975-(50:5+3)x75]}x2=
=105+{450:5x[975-(10+3)x75]}x2=
=105+[450:5x(975-13x75)x2=
=105+(450:5x(975-975)x2=
=105+(90x0x2)=
=105+0=
=105
105 + { 450 : 5 × [ 975 - ( 50 : 5 + 3 ) × 75 ] } × 2= 105

= 105 + { 90 
× [ 975 - ( 10 + 3 ) × 75 ] } × 2 =

= 105 + [ 90 × ( 975 - 13 × 75) ] × 2 =

= 105 + [ 90 × ( 975 - 975)] ×  2 =

= 105 + ( 90 × 0) × 2 =

= 105 + 0 =

= 105