a = 4 × 4 : 2 + ( 24 : 3 + 10 × 2 )
a = 16 : 2 + ( 8 + 20 )
a = 8 + 28
a = 36
b = ( 39 - 14 ) × 4 : 10
b = 25 × 4 : 10
b = 100 : 10
b = 10
c= 297 - ( 17 × 6 + 180 )
c = 297 - ( 102 + 180 )
c = 297 - 282
c = 15
6 × a - b : 2 + 3 × c =
6 × 36 - 10 : 2 + 3 × 15 =
216 - 5 + 45 =
211 + 45 = 256
