at an elementary level will , as in verbal language , have little difficulty ほとんどの科学分野の数学的概念をマスターする上で
that was elementary level . 小学生レベルだ。
in 1864 , kagenori became kutoshi (a teacher of the elementary level ) in ' kaiseijo ,' a western studies education school , established by the satsuma domain and taught english to arinori mori (the first minister of the minister of education , one of the meiji six greatest educators , and the founder of the commercial training institute [the present hitotsubashi university ]) and others . 元治元年（1864年）、薩摩藩が設立した洋学教育学校「開成所」にて句読師となり、森有礼（初代文部大臣・明治六大教育家・商法講習所【現在の一橋大学】の創設者）等に英語を教える。
