xV0MR=yVRM0x V_{0} M_{R}=y V_{R} M_{0}xV0MR=yVRM0
yV0M0=xVRMRy V_{0} M_{0}=x V_{R} M_{R}yV0M0=xVRMR
x V0M0=yVRMRx \mathrm{~V}_{0} \mathrm{M}_{0}=\mathrm{y} \mathrm{V}_{\mathrm{R}} \mathrm{M}_{\mathrm{R}}x V0M0=yVRMR
y V0MR=xVRM0\text { y } V_{0} M_{R}=x V_{R} M_{0} y V0MR=xVRM0