なんで円周÷直径は一定なの？
上下 ｽﾚへ戻る
ｺﾝﾏ秒ﾚｽ抽出
.0x .1x .2x .3x .4x .5x .6x .7x .8x .9x
.13 (1ﾚｽ)
.16 (2ﾚｽ)
.18 (1ﾚｽ)
.22 (1ﾚｽ)
.24 (1ﾚｽ)
.28 (1ﾚｽ)
.30 (1ﾚｽ)
.39 (1ﾚｽ)
.40 (1ﾚｽ)
.48 (1ﾚｽ)
.52 (2ﾚｽ)
.58 (1ﾚｽ)
.59 (1ﾚｽ)
.65 (1ﾚｽ)
.67 (1ﾚｽ)
.72 (1ﾚｽ)
.75 (1ﾚｽ)
.80 (1ﾚｽ)
.89 (1ﾚｽ)
.93 (2ﾚｽ)
.97 (1ﾚｽ)
上下板覧索設栞歴
ぬこの手 ぬこTOP 0.170s*