Nice methods! When I need numbers to appear more frequently, I usually just go the easy way and distribute a random number among certain ranges. So it would look something like this...
R=RND(100)
IF R<20 THEN
'SMTH1
ELSEIF R<50 THEN
'SMTH2
ELSE
'SMTH3
ENDIF
2そうだね プレイ済み