Respuesta :
72/(18+(-2).3)-(4.(-5)-9/3
72/(18+(-6)-(4.(-5)-9/3
72/(18+(-6)-(-20)-9/3
72/(18 - 6 + 20)-9/3
72/(32) - 9/3
72 9
---- - ------
32 3
72 (3) - 32 (9)
----------------
32 (3)
216 - 288
----------
96
-72
----------
96
-0,75
72/(18+(-2).3)-(4.(-5)-9/3
72/(18+(-6)-(4.(-5)-9/3
72/(18+(-6)-(-20)-9/3
72/(18 - 6 + 20)-9/3
72/(32) - 9/3
72 9
---- - ------
32 3
72 (3) - 32 (9)
----------------
32 (3)
216 - 288
----------
96
-72
----------
96
-0,75