72 plus 72 is 144.
Wiki User
∙ 13y ago72 + 72 + 42 = 186
76 & 2/3
4 plus 4 isn't 72. It is actually 72. :O
96+72+48+24=240
The atomic number of hafnium is 72. So there is 72 protons.
49 + 72 + 68 = 189
84 + 96 + 72 + 77 + 91 = 420
20 + 12 + 32 + 20 + 30 + 72 = 186
72 + 50 = 122
72 + 44 = 116
72 + 12 = 84
1986 + 72 = 2,058