Δm=[Zmp+(A−Z)mn−M]\Delta \mathrm{m}=\left[\mathrm{Zm}_{\mathrm{p}}+(\mathrm{A}-\mathrm{Z}) \mathrm{m}_{\mathrm{n}}-\mathrm{M}\right]Δm=[Zmp+(A−Z)mn−M]
Δm=[(A−Z)mp+Zmn−M]\rm{\Delta m=\left[(A-Z) m_{p}+Z m_{n}-M\right]}Δm=[(A−Z)mp+Zmn−M]
$\Delta \mathrm{m}=\left[\mathrm{Zm}_{\mathrm{p}}+\mathrm{Am}_{\mathrm{n}}-\mathrm{M}\right]$
Δm=Amp+Zmn−M\rm{\Delta \mathrm{m}=A m_{p}+Z m_{n}-M}Δm=Amp+Zmn−M
