ネット散策してたら、勉強になるなあというものものあるねえ＾＾
https://www.youtube.com/watch?v=c-OJsIw2ag8
https://www.youtube.com/watch?v=3bvj2iGTMXc
https://www.youtube.com/watch?v=ct1MChkVG-Q
https://www.youtube.com/watch?v=e0BNuo06q4k
https://www.youtube.com/watch?v=3wd6sUFKK7U
https://www.youtube.com/watch?v=E80ffNDNaCQ
https://www.youtube.com/watch?v=RSvCD6sSTL8
https://www.youtube.com/watch?v=sPQAVR2MOUA
あいたたたｗ 最後のやつは鉄分にはきついｗ 負け組確定やｗ
https://www.youtube.com/watch?v=qSuoHlVLWNw
https://www.youtube.com/watch?v=zuHO8yRuVq8
https://www.youtube.com/watch?v=ToH3ZY_SWAs
https://www.youtube.com/watch?v=qunWLO72bbY
https://www.youtube.com/watch?v=We0WHcsrv6E
https://www.youtube.com/watch?v=5xEzJqTu_zs
https://www.youtube.com/watch?v=OTG8OtUFsJM
https://www.youtube.com/watch?v=i_RMzml__wc
https://www.youtube.com/watch?v=odxguhpheGA
https://www.youtube.com/watch?v=djcZpBIIaf8
さもありなんｗ＾＾
なるほどと思うｗ＾＾