三十分

N5 私は三十分ぐらい勉強しました。 Watashi wa sanjuppun gurai benkyou shimashita. I studied about 30 minutes.

N1 分子 bunshi numerator, molecule N1 分担 buntan apportionment, sharing N1 分配 bumpai division, sharing N1 分母 bumbo denominator N1 分離 bunri separation, detachment, segregation N1 分裂 bunretsu split, division, break up N1 申し分 moushibun objection, shortcomings N2 幾分 ikubun somewhat N2 区分 kubun division, section, classification

N5 三 san, zou / mi, mi.tsu, mitsu.tsu three, trois, tres N5 十 juu, jitsu, jutsu / too, to, so ten, dix, diez N3 分 bun, fun, bu / wa.keru, wa.ke, wa.kareru, wa.karu, wa.katsu part, minute of time, segment