Another popular one is treating births that didn't happen due to changing birthrates as deaths, since by educating women and giving them rights the Soviets hypothetically prevented many millions of people from being born which is basically the same as killing them, somehow.
Also popular is just doubling whatever number they heard last. They're fundamentally being disingenuous to start with so they don't hesitate to just straight up make things up or lie directly.
Depending on the "source" they double-dip and count both Soviet and fascist casualties as "victims of communism"
Another popular one is treating births that didn't happen due to changing birthrates as deaths, since by educating women and giving them rights the Soviets hypothetically prevented many millions of people from being born which is basically the same as killing them, somehow.
Also popular is just doubling whatever number they heard last. They're fundamentally being disingenuous to start with so they don't hesitate to just straight up make things up or lie directly.