Răspuns :
[ x : 3 - 7 × ( 24 + 30 : 5 ) ] - 23 = 27
x : 3 - 7 × ( 24 + 6 ) = 27 + 23
x : 3 - 7 × 30 = 50
x : 3 - 210 = 50
x : 3 = 50 + 210
x : 3 = 260
x = 260 × 3
x = 780
Verific:
( 780 : 3 - 7 × 30 ) - 23 = ( 260 - 210 ) - 23 = 50 - 23 = 27
[ x : 3 - 7 × ( 24 + 30 : 5 ) ] - 23 = 27
x : 3 - 7 × ( 24 + 6 ) = 27 + 23
x : 3 - 7 × 30 = 50
x : 3 - 210 = 50
x : 3 = 50 + 210
x : 3 = 260
x = 260 × 3
Verific:
( 780 : 3 - 7 × 30 ) - 23 = ( 260 - 210 ) - 23 = 50 - 23 = 27